Math

QuestionFind the equation relating pp (hours parked) and cc (cost in dollars) if Alexandra paid \$7 for 3 hours.

Studdy Solution

STEP 1

Assumptions1. Alexandra paid $7 for3 hours of parking. . The parking garage charges a constant hourly rate.
3. We need to find an equation that relates the cost of parking (c) and the number of hours parked (p).

STEP 2

We can start by finding the hourly rate. This can be done by dividing the total cost by the total number of hours parked.
Hourlyrate=TotalcostTotalhoursHourly\, rate = \frac{Total\, cost}{Total\, hours}

STEP 3

Now, plug in the given values for the total cost and total hours to calculate the hourly rate.
Hourlyrate=$73hoursHourly\, rate = \frac{\$7}{3\, hours}

STEP 4

Calculate the hourly rate.
Hourlyrate=$73hours=$73perhourHourly\, rate = \frac{\$7}{3\, hours} = \$\frac{7}{3}\, per\, hour

STEP 5

Now that we have the hourly rate, we can write an equation that shows the relationship between the cost of parking (c) and the number of hours parked (p). The cost of parking is equal to the hourly rate times the number of hours parked.
c=Hourlyrate×pc = Hourly\, rate \times p

STEP 6

Substitute the hourly rate into the equation.
c=$3perhour×pc = \$\frac{}{3}\, per\, hour \times p

STEP 7

implify the equation.
c=$73pc = \$\frac{7}{3}pSo the equation that shows the relationship between the cost of parking (c) and the number of hours parked (p) is c=$73pc = \$\frac{7}{3}p.

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