Fractions and Decimals

Discrete Mathematics

Differential Equations

Solved on Mar 23, 2024

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.

STEP 1

Assumptions
1. The cost price of a used book is $\$2.25$ .
2. The selling price is $300\%$ of the cost price.

STEP 2

First, we need to understand what $300\%$ of the cost price means. It means that the selling price is $300\%$ or $3$ times the cost price.

STEP 3

Now, calculate the selling price by multiplying the cost price by $3$ .
$Selling\, price = Cost\, price \times 3$

STEP 4

Plug in the given value for the cost price to calculate the selling price.
$Selling\, price = \$2.25 \times 3$

STEP 5

Calculate the selling price.
$Selling\, price = \$2.25 \times 3 = \$6.75$
The price of a used book in this bookstore is $\$6.75$ .

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