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Chapter 1: Q43. (page 44)

SHOPPING Marta got 60% off a pair of shoes. If the shoes cost $9.75 (before sales tax), what was the original price of the shoes?

Short Answer

Expert verified

The original cost of the shoes is 16.25 dollars.

Step by step solution

01

Step 1. Let x be the cost of shoes before the tax and y be the original cost.

Shoescostbeforethetax=9.75dollarsOffontheshoes=60%

02

Step 2. Formula used.

To find what percent is a number x of another number y, use the below formula.

xispercentofy=x脳100y%Wherexisgivevalueandybetheoriginalvalue

03

Step 3. Calculate the percent of saline in pure water.

Originalcostoftheshoes9.75脳100y=60%y=9.75脳10060y=16.25dollars

Therefore, the original cost of the shoes is 16.25 dollar.

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