Browse Finance problems in the Studdy Learning Bank!

Problem 101

Rafael took a taxi, paid $\$ 46$ and gave a $15\%$ tip. (a) Create a proportion to find the tip amount $x$ . (b) Use the proportion to find the tip amount without rounding. Amount of tip: $\$ x$

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Problem 102

Compute the tax owed by a married couple with $\$ 226,000$ taxable income and a $\$ 6,000$ tax credit, using the 2021 marginal tax rates.

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Problem 103

Find the range of the cost function $C = 98 + 0.12n$ for newspaper printing. Express the range as $C \geq y$ and the domain as $n \geq x$ .

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Problem 104

Find the monthly payment $PMT$ for a loan with $P=\$25,823$ , $n=80$ , and $i=0.023$ . (Round $PMT$ to two decimal places.)

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Problem 105

Find the amount owed on a $\$5500$ loan at $3\%$ annual interest with no payments, after 1 year and 2 years.

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Problem 106

Calculate the interest, $I$ , paid on a $\$5,250.00$ loan with a 3.75% annual interest rate over 20 days.

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Problem 107

Determine if the percent change between $231.2 and$ 236.4 is an increase or decrease, then find the rounded percent.

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Problem 108

Find the original principal for an account earning 2.4% interest compounded continuously, where the account earns $806.07 in interest over 4 years. Use the model$ A=P e^{r t} $and substitute$ P+806.07 $for$ A$ to find the original principal, rounded to the nearest dollar.

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Problem 109

Rewrite the table of worldwide box office (in billions $) for the movie industry into ordered pairs (year, box office).
$\{(1999, 24.6), (2001, 25.9), (2003, 28.2), (2005, 29.8), (2007, 31.5)\}$

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Problem 110

Cammy bought a jacket at $\$ 43.50$ . The price was $25 \%$ off the regular price. What was the regular price?
Jim bought a pair of pants at $\$ 16.80$ . The price was $40 \%$ off the regular price. What was the regular price?

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Problem 111

Calculate the annual property tax for a home with a purchase price of $200,000 and market value of$ 230,000 at a rate of $1.1\%$ .

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Problem 112

Jim needs $\$7500$ for a project. He can invest $\$6000$ at $12\%$ annual rate, compounded semiannually. How long until he has enough?

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Problem 113

Find the linear cost function $C(x)$ for an artist who makes handmade earrings with fixed costs of $\$ 100$ and marginal cost of $\$ 9$ per pair.
$C(x)=100 + 9x$

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Problem 114

Find the account balance after 6 years using the compound interest formula: $A=P\left(1+\frac{r}{n}\right)^{(n-t)}$ with $P=\$18,000$ , $r=9\%$ , and $n=2$ (semiannual).

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Problem 115

A real estate agent earns a $4\%$ commission on a $\$ 389,700$ house sale. Find the agent's commission, rounded to the nearest cent.

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Problem 116

Melissa borrowed $18,000 at 4.25% interest for 6 years to buy a fishing boat. Find her (a) monthly payment, (b) total repayment, and (c) total interest paid.
(a) Monthly payment: $\$ 318.08$ (b) Total repayment: $\$ 22,780.80$ (c) Total interest paid: $\$ 4,780.80$

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Problem 117

Calculate the markup percentage for lawn mowers priced at $\$ 42$ each, if the store paid $\$ 14$ for each.

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Problem 118

Find the dividend yield on Stock A selling at $30 per share, when Company A pays a quarterly dividend of$ 0.15 per share. Round the dividend yield to the nearest tenth percent.

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Problem 119

Determine the inflation rate in an economy with 3% real GDP growth and 4% money growth.
$\pi = \mu - g$ , where $\pi$ is the inflation rate, $\mu$ is the money growth rate, and $g$ is the real GDP growth rate.

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Problem 120

Examine the given price and quantity data for TVs and milk in 2015 and 2019. Calculate the nominal and real GDP in 2015 and 2019 using $£ 31,000$ , $£ 38,125$ , $£ 32,600$ .

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Problem 121

A company estimates $0.9\%$ of products fail within 2 years after warranty. Replacement cost is $\$ 500$ . What is the expected value of a $\$ 80$ 2-year extended warranty?

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Problem 122

Find the mortgage amount given a $22,750 down payment on a$ 325,000 property.

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Problem 123

Find the adjusting entry for a supplies account with a balance of $\$ 7,200$ and $\$ 1,200$ in supplies inventory at the end of the fiscal year.

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Problem 124

Print 14 copies of a 160-page report. Paper is sold in reams (500 pages) for $\$ 3.07$ each. How much will the paper cost?

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Problem 125

If total liabilities increased by $\$ 9,000$ and owner's equity decreased by $\$ 25,000$ , then the change in total assets is: a. $\$ 34,000$ increase b. $\$ 16,000$ increase c. $\$ 34,000$ decrease d. $\$ 16,000$ decrease

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Problem 126

Calculate the percent change in grocery expenditures from March to April. Groceries: $112 in March,$ 120 in April. Round to nearest whole percent.

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Problem 127

Calculate the total liabilities of White Cleaning Services on $31/12/2022$ given that total assets on $31/12/2022$ were $\$ 126,000$ , total assets on $1/1/2022$ were $\$ 85,000$ , total liabilities on $1/1/2022$ were $\$ 17,000$ , total revenue in 2022 was $\$ 61,000$ , total expenses in 2022 were $\$ 35,000$ , and Mr. Mansoor made an additional investment of $\$ 12,000$ to the business in 2022.
Response: 29000

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Problem 128

Company bought a 3-year insurance policy for $\$25,200$ on $1/4/2020$ . Reported net income for 2020 was $\$63,000$ . If the accountant missed the insurance adjustment on $12/31/2020$ , the correct 2020 net income should be $\$56,700$ .

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Problem 129

Diane bought $\$ 12,600$ in lab equipment, paying $\$ 1200$ down and taking out a loan for the rest. She paid $\$ 505.26$ monthly for 2 years to pay off the loan. (a) What was the total cost? (b) How much interest did she pay?

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Problem 130

Find the hourly wage given the relationship between hours worked and money earned: $\$ x$ per hour.

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Problem 131

Find the present value of a firm's 3-year cash flow stream with $5,000,$ 25,000, and $14,000 at 8% discount rate.

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Problem 132

The beach house costs $\$ 800000$ now. Inflation is expected to increase the price by $5\%$ annually over 20 years. How much will the house cost after 20 years? If they invest equal end-of-year payments earning $13\%$ annually, how much must they invest each year to buy the house in 20 years?

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Problem 133

Calculate the ratio of input and output power in decibels, given input power is $20 \mathrm{~W}$ and output power is $40 \mathrm{~W}$ .

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Problem 134

Find the future cost of a CD after 12 years, given an inflation rate of $4.5 \%$ and a present cost of $\$ 12.95$ . Round the answer to the nearest cent.

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Problem 135

Determine the cost in 2018 of an item that cost $100 in 1999 using a line graph and two models:$ C = 1.9x + 120.4 $and$ C = 0.03x^2 + 1.8x + 120.7 $, where$ C $is the cost$ x$ years after 2010.

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Problem 136

Determine the number of shares issued given that 100,000 shares are authorized, 60,000 were originally issued, and 10,000 were reacquired.

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Problem 137

Jill Company's trial balance includes Accounts Receivable of $850,000 (Dr.) and$ 18,000 (Cr.). Bad debts are estimated at $5\%$ of receivables. What is the bad debt expense?

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Problem 138

Gannon Co. borrowed $200,000 for 4 years at 0% interest. Lucky Finance received a note. On the transaction date, the market rate was 8%. Calculate the amount credited to Cash on Lucky Finance's books.
Given: $PV$ of $\$ 200,000$ at 6%, 4 years = $\$ 158,420$ $PV$ of $\$ 200,000$ at 8%, 4 years = $\$ 147,000$

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Problem 139

Find the break-even production level for a product sold at $\$ 23.5$ per unit, with fixed cost $\$ 29000$ and variable cost $\$ 18.5$ per unit.

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Problem 140

The function $f(x)=370(1.15)^{x}$ models a first-edition comic's value. What does $x$ represent?

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Problem 141

Calculate the variance of payout per policy holder for an insurance company with 1580 customers and payout scenarios: $\$ 690000$ (0.001), $\$ 120000$ (0.05), and 0 (0.949).

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Problem 142

Find the time $t$ in years given the formula $A=P(1+r t)$ where $A=\$1,024$ , $P=\$640$ , and $r=12\%$ .

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Problem 143

Redefine the car's value function $c(\omega) = 3125\omega + 5000$ and find its value after 30 days.

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Problem 144

Find the present value of $\$ 100,000$ due in 6 years at a continuous 7% interest rate. The present value is $\$ \square$ .

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Problem 145

Depreciate a $2,100 computer over 7 years using straight-line method. Find the book value function, domain, graph, value after 3 years, and when value is$ 600.

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Problem 146

Solve for the amount of money left after buying 4 tires that each cost $\$ 41$ plus $\$ 2.25$ tax and weigh 25 pounds, given you have $\$ 269$ to spend. The piece of given information that is not necessary is the weight of the tires.

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Problem 147

Find the annual return percentage for a stock purchased at $70 per share, sold after 4 years for$ 8200, with 100 shares.

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Problem 148

Find the energy efficiency of a system with energy output of 25 units and energy input of 100 units.
$Energy\,Efficiency = \frac{Energy\,Output}{Energy\,Input} \times 100$

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Problem 149

Evaluate the compound interest formula $A=P\left(1+\frac{r}{n}\right)^{n t}$ with $P=2000, r=0.05, n=12, t=5$ . Round the result to the nearest cent and show the exact calculation.

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Problem 150

An individual sets up an IRA at age 21 with a 6% APR, depositing $45 monthly. How much will the IRA contain at age 65? Compare to total deposits.
The IRA will contain $\$ 318,443.15$ after retirement.

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Problem 151

Find the doubling time of an economic indicator increasing at 3% per year. Discuss the validity of the doubling time formula. Calculate the indicator's increase over 5 years.
$\text{Doubling time} = \frac{\ln 2}{r}$ , where $r$ is the growth rate. Determine if this formula is appropriate for the given case.

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Problem 152

a. Janessa paid $\$ 390.96$ for a 2-year magazine subscription. After receiving 25 magazines in the second year, she cancelled. How many magazines will she receive a refund for? Round up to a whole number.
b. Calculate the pro-rated refund Janessa should receive from the magazine company. Round up to the nearest cent.

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Problem 153

Classic Movie DVDs are on sale from June 19-25. 60 titles available. 2 for $\$ 15.00$ , 3 for $\$ 20.00$ , or 5 for $\$ 30.00$ with coupon. After June 25, $\$ 8.50$ each. Cost of 5 DVDs on June 26 is $\$ 32.50$ .

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Problem 154

Find the simple interest rate $r$ for a loan with principal $P=\$2300$ , future value $A=\$2775$ , and duration $t=3$ months.

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Problem 155

Find the capital position (CP) when the selling price (SP) is $Rs. 0.924$ and the gain is 10%.

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Problem 156

a) The nursing home's annual profit is approximately $P(18, 70, 350000, 10) = \$ 2,289,526$
b) The partial derivatives of $P$ are: $\frac{\partial P}{\partial w} = -0.487294w^{-1.647}r^{1.097}s^{0.867}t^{2.461}$

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Problem 157

Find the price that maximizes revenue for personal CD players, given that a $\$ 1$ decrease in price leads to 5 more units sold over 2 weeks, and the regular price is $\$ 90$ .

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Problem 158

Find the price of a used book sold at a bookstore, where the owner buys them for $\$ 2.25$ each and resells them for $300\%$ of the purchase price.

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Problem 159

Solve for P in the equation $A=P+\operatorname{Pr} t$ . Options: a) $P=A-r t$ , b) $P=\frac{A-r t}{2}$ , c) $P=\frac{A}{1+r t}$ , d) $P=\frac{A}{2 r t}$ .

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Finance

Problem 101

Rafael took a taxi, paid $46\$ 46$46 and gave a 15%15\%15% tip. (a) Create a proportion to find the tip amount xxx. (b) Use the proportion to find the tip amount without rounding. Amount of tip: $x\$ x$x

Problem 102

Compute the tax owed by a married couple with $226,000\$ 226,000$226,000 taxable income and a $6,000\$ 6,000$6,000 tax credit, using the 2021 marginal tax rates.

Problem 103

Find the range of the cost function C=98+0.12nC = 98 + 0.12nC=98+0.12n for newspaper printing. Express the range as C≥yC \geq yC≥y and the domain as n≥xn \geq xn≥x.

Problem 104

Find the monthly payment PMTPMTPMT for a loan with P=$25,823P=\$25,823P=$25,823, n=80n=80n=80, and i=0.023i=0.023i=0.023. (Round PMTPMTPMT to two decimal places.)

Problem 105

Find the amount owed on a $5500\$5500$5500 loan at 3%3\%3% annual interest with no payments, after 1 year and 2 years.

Problem 106

Calculate the interest, III, paid on a $5,250.00\$5,250.00$5,250.00 loan with a 3.75% annual interest rate over 20 days.

Problem 107

Determine if the percent change between 231.2and231.2 and 231.2and236.4 is an increase or decrease, then find the rounded percent.

Problem 108

Problem 109

Problem 110

Cammy bought a jacket at $43.50\$ 43.50$43.50. The price was 25%25 \%25% off the regular price. What was the regular price?Jim bought a pair of pants at $16.80\$ 16.80$16.80. The price was 40%40 \%40% off the regular price. What was the regular price?

Problem 111

Calculate the annual property tax for a home with a purchase price of 200,000andmarketvalueof200,000 and market value of 200,000andmarketvalueof230,000 at a rate of 1.1%1.1\%1.1%.

Problem 112

Jim needs $7500\$7500$7500 for a project. He can invest $6000\$6000$6000 at 12%12\%12% annual rate, compounded semiannually. How long until he has enough?

Problem 113

Find the linear cost function C(x)C(x)C(x) for an artist who makes handmade earrings with fixed costs of $100\$ 100$100 and marginal cost of $9\$ 9$9 per pair.C(x)=100+9xC(x)=100 + 9xC(x)=100+9x

Problem 114

Find the account balance after 6 years using the compound interest formula: A=P(1+rn)(n−t)A=P\left(1+\frac{r}{n}\right)^{(n-t)}A=P(1+nr​)(n−t) with P=$18,000P=\$18,000P=$18,000, r=9%r=9\%r=9%, and n=2n=2n=2 (semiannual).

Problem 115

A real estate agent earns a 4%4\%4% commission on a $389,700\$ 389,700$389,700 house sale. Find the agent's commission, rounded to the nearest cent.

Problem 116

Problem 117

Calculate the markup percentage for lawn mowers priced at $42\$ 42$42 each, if the store paid $14\$ 14$14 for each.

Problem 118

Find the dividend yield on Stock A selling at 30pershare,whenCompanyApaysaquarterlydividendof30 per share, when Company A pays a quarterly dividend of 30pershare,whenCompanyApaysaquarterlydividendof0.15 per share. Round the dividend yield to the nearest tenth percent.

Problem 119

Determine the inflation rate in an economy with 3% real GDP growth and 4% money growth.π=μ−g\pi = \mu - gπ=μ−g, where π\piπ is the inflation rate, μ\muμ is the money growth rate, and ggg is the real GDP growth rate.

Problem 120

Examine the given price and quantity data for TVs and milk in 2015 and 2019. Calculate the nominal and real GDP in 2015 and 2019 using £31,000£ 31,000£31,000, £38,125£ 38,125£38,125, £32,600£ 32,600£32,600.

Problem 121

A company estimates 0.9%0.9\%0.9% of products fail within 2 years after warranty. Replacement cost is $500\$ 500$500. What is the expected value of a $80\$ 80$80 2-year extended warranty?

Problem 122

Find the mortgage amount given a 22,750downpaymentona22,750 down payment on a 22,750downpaymentona325,000 property.

Problem 123

Find the adjusting entry for a supplies account with a balance of $7,200\$ 7,200$7,200 and $1,200\$ 1,200$1,200 in supplies inventory at the end of the fiscal year.

Problem 124

Print 14 copies of a 160-page report. Paper is sold in reams (500 pages) for $3.07\$ 3.07$3.07 each. How much will the paper cost?

Problem 125

If total liabilities increased by $9,000\$ 9,000$9,000 and owner's equity decreased by $25,000\$ 25,000$25,000, then the change in total assets is: a. $34,000\$ 34,000$34,000 increase b. $16,000\$ 16,000$16,000 increase c. $34,000\$ 34,000$34,000 decrease d. $16,000\$ 16,000$16,000 decrease

Problem 126

Calculate the percent change in grocery expenditures from March to April. Groceries: 112inMarch,112 in March, 112inMarch,120 in April. Round to nearest whole percent.

Problem 127

Problem 128

Problem 129

Diane bought $12,600\$ 12,600$12,600 in lab equipment, paying $1200\$ 1200$1200 down and taking out a loan for the rest. She paid $505.26\$ 505.26$505.26 monthly for 2 years to pay off the loan. (a) What was the total cost? (b) How much interest did she pay?

Problem 130

Find the hourly wage given the relationship between hours worked and money earned: $x\$ x$x per hour.

Problem 131

Find the present value of a firm's 3-year cash flow stream with 5,000,5,000, 5,000,25,000, and $14,000 at 8% discount rate.

Problem 132

Problem 133

Calculate the ratio of input and output power in decibels, given input power is 20 W20 \mathrm{~W}20 W and output power is 40 W40 \mathrm{~W}40 W.

Problem 134

Find the future cost of a CD after 12 years, given an inflation rate of 4.5%4.5 \%4.5% and a present cost of $12.95\$ 12.95$12.95. Round the answer to the nearest cent.

Problem 135

Determine the cost in 2018 of an item that cost 100in1999usingalinegraphandtwomodels:100 in 1999 using a line graph and two models: 100in1999usingalinegraphandtwomodels:C = 1.9x + 120.4and and andC = 0.03x^2 + 1.8x + 120.7,where, where ,whereCisthecost is the cost isthecostx$ years after 2010.

Problem 136

Determine the number of shares issued given that 100,000 shares are authorized, 60,000 were originally issued, and 10,000 were reacquired.

Problem 137

Jill Company's trial balance includes Accounts Receivable of 850,000(Dr.)and850,000 (Dr.) and 850,000(Dr.)and18,000 (Cr.). Bad debts are estimated at 5%5\%5% of receivables. What is the bad debt expense?

Problem 138

Problem 139

Find the break-even production level for a product sold at $23.5\$ 23.5$23.5 per unit, with fixed cost $29000\$ 29000$29000 and variable cost $18.5\$ 18.5$18.5 per unit.

Problem 140

The function f(x)=370(1.15)xf(x)=370(1.15)^{x}f(x)=370(1.15)x models a first-edition comic's value. What does xxx represent?

Problem 141

Calculate the variance of payout per policy holder for an insurance company with 1580 customers and payout scenarios: $690000\$ 690000$690000 (0.001), $120000\$ 120000$120000 (0.05), and 0 (0.949).

Problem 142

Find the time ttt in years given the formula A=P(1+rt)A=P(1+r t)A=P(1+rt) where A=$1,024A=\$1,024A=$1,024, P=$640P=\$640P=$640, and r=12%r=12\%r=12%.

Problem 143

Redefine the car's value function c(ω)=3125ω+5000c(\omega) = 3125\omega + 5000c(ω)=3125ω+5000 and find its value after 30 days.

Rafael took a taxi, paid $\$ 46$ and gave a $15\%$ tip. (a) Create a proportion to find the tip amount $x$ . (b) Use the proportion to find the tip amount without rounding. Amount of tip: $\$ x$

Compute the tax owed by a married couple with $\$ 226,000$ taxable income and a $\$ 6,000$ tax credit, using the 2021 marginal tax rates.

Find the range of the cost function $C = 98 + 0.12n$ for newspaper printing. Express the range as $C \geq y$ and the domain as $n \geq x$ .

Find the monthly payment $PMT$ for a loan with $P=\$25,823$ , $n=80$ , and $i=0.023$ . (Round $PMT$ to two decimal places.)

Find the amount owed on a $\$5500$ loan at $3\%$ annual interest with no payments, after 1 year and 2 years.

Calculate the interest, $I$ , paid on a $\$5,250.00$ loan with a 3.75% annual interest rate over 20 days.

Determine if the percent change between $231.2 and$ 236.4 is an increase or decrease, then find the rounded percent.

Cammy bought a jacket at $\$ 43.50$ . The price was $25 \%$ off the regular price. What was the regular price?
Jim bought a pair of pants at $\$ 16.80$ . The price was $40 \%$ off the regular price. What was the regular price?

Calculate the annual property tax for a home with a purchase price of $200,000 and market value of$ 230,000 at a rate of $1.1\%$ .

Jim needs $\$7500$ for a project. He can invest $\$6000$ at $12\%$ annual rate, compounded semiannually. How long until he has enough?

Find the linear cost function $C(x)$ for an artist who makes handmade earrings with fixed costs of $\$ 100$ and marginal cost of $\$ 9$ per pair.
$C(x)=100 + 9x$

Find the account balance after 6 years using the compound interest formula: $A=P\left(1+\frac{r}{n}\right)^{(n-t)}$ with $P=\$18,000$ , $r=9\%$ , and $n=2$ (semiannual).

A real estate agent earns a $4\%$ commission on a $\$ 389,700$ house sale. Find the agent's commission, rounded to the nearest cent.

Calculate the markup percentage for lawn mowers priced at $\$ 42$ each, if the store paid $\$ 14$ for each.

Find the dividend yield on Stock A selling at $30 per share, when Company A pays a quarterly dividend of$ 0.15 per share. Round the dividend yield to the nearest tenth percent.

Determine the inflation rate in an economy with 3% real GDP growth and 4% money growth.
$\pi = \mu - g$ , where $\pi$ is the inflation rate, $\mu$ is the money growth rate, and $g$ is the real GDP growth rate.

Examine the given price and quantity data for TVs and milk in 2015 and 2019. Calculate the nominal and real GDP in 2015 and 2019 using $£ 31,000$ , $£ 38,125$ , $£ 32,600$ .

A company estimates $0.9\%$ of products fail within 2 years after warranty. Replacement cost is $\$ 500$ . What is the expected value of a $\$ 80$ 2-year extended warranty?

Find the mortgage amount given a $22,750 down payment on a$ 325,000 property.

Find the adjusting entry for a supplies account with a balance of $\$ 7,200$ and $\$ 1,200$ in supplies inventory at the end of the fiscal year.

Print 14 copies of a 160-page report. Paper is sold in reams (500 pages) for $\$ 3.07$ each. How much will the paper cost?

If total liabilities increased by $\$ 9,000$ and owner's equity decreased by $\$ 25,000$ , then the change in total assets is: a. $\$ 34,000$ increase b. $\$ 16,000$ increase c. $\$ 34,000$ decrease d. $\$ 16,000$ decrease

Calculate the percent change in grocery expenditures from March to April. Groceries: $112 in March,$ 120 in April. Round to nearest whole percent.

Diane bought $\$ 12,600$ in lab equipment, paying $\$ 1200$ down and taking out a loan for the rest. She paid $\$ 505.26$ monthly for 2 years to pay off the loan. (a) What was the total cost? (b) How much interest did she pay?

Find the hourly wage given the relationship between hours worked and money earned: $\$ x$ per hour.

Find the present value of a firm's 3-year cash flow stream with $5,000,$ 25,000, and $14,000 at 8% discount rate.

Calculate the ratio of input and output power in decibels, given input power is $20 \mathrm{~W}$ and output power is $40 \mathrm{~W}$ .

Find the future cost of a CD after 12 years, given an inflation rate of $4.5 \%$ and a present cost of $\$ 12.95$ . Round the answer to the nearest cent.

Determine the cost in 2018 of an item that cost $100 in 1999 using a line graph and two models:$ C = 1.9x + 120.4 $and$ C = 0.03x^2 + 1.8x + 120.7 $, where$ C $is the cost$ x$ years after 2010.

Jill Company's trial balance includes Accounts Receivable of $850,000 (Dr.) and$ 18,000 (Cr.). Bad debts are estimated at $5\%$ of receivables. What is the bad debt expense?

Find the break-even production level for a product sold at $\$ 23.5$ per unit, with fixed cost $\$ 29000$ and variable cost $\$ 18.5$ per unit.

The function $f(x)=370(1.15)^{x}$ models a first-edition comic's value. What does $x$ represent?

Calculate the variance of payout per policy holder for an insurance company with 1580 customers and payout scenarios: $\$ 690000$ (0.001), $\$ 120000$ (0.05), and 0 (0.949).

Find the time $t$ in years given the formula $A=P(1+r t)$ where $A=\$1,024$ , $P=\$640$ , and $r=12\%$ .

Redefine the car's value function $c(\omega) = 3125\omega + 5000$ and find its value after 30 days.

Find the present value of $\$ 100,000$ due in 6 years at a continuous 7% interest rate. The present value is $\$ \square$ .

Solve for the amount of money left after buying 4 tires that each cost $\$ 41$ plus $\$ 2.25$ tax and weigh 25 pounds, given you have $\$ 269$ to spend. The piece of given information that is not necessary is the weight of the tires.

Find the annual return percentage for a stock purchased at $70 per share, sold after 4 years for$ 8200, with 100 shares.

Find the energy efficiency of a system with energy output of 25 units and energy input of 100 units.
$Energy\,Efficiency = \frac{Energy\,Output}{Energy\,Input} \times 100$

Evaluate the compound interest formula $A=P\left(1+\frac{r}{n}\right)^{n t}$ with $P=2000, r=0.05, n=12, t=5$ . Round the result to the nearest cent and show the exact calculation.

An individual sets up an IRA at age 21 with a 6% APR, depositing $45 monthly. How much will the IRA contain at age 65? Compare to total deposits.
The IRA will contain $\$ 318,443.15$ after retirement.

Classic Movie DVDs are on sale from June 19-25. 60 titles available. 2 for $\$ 15.00$ , 3 for $\$ 20.00$ , or 5 for $\$ 30.00$ with coupon. After June 25, $\$ 8.50$ each. Cost of 5 DVDs on June 26 is $\$ 32.50$ .

Find the simple interest rate $r$ for a loan with principal $P=\$2300$ , future value $A=\$2775$ , and duration $t=3$ months.

Find the capital position (CP) when the selling price (SP) is $Rs. 0.924$ and the gain is 10%.

Find the price that maximizes revenue for personal CD players, given that a $\$ 1$ decrease in price leads to 5 more units sold over 2 weeks, and the regular price is $\$ 90$ .

Find the price of a used book sold at a bookstore, where the owner buys them for $\$ 2.25$ each and resells them for $300\%$ of the purchase price.

Solve for P in the equation $A=P+\operatorname{Pr} t$ . Options: a) $P=A-r t$ , b) $P=\frac{A-r t}{2}$ , c) $P=\frac{A}{1+r t}$ , d) $P=\frac{A}{2 r t}$ .