Question

A store is having a sale where school suplies are 30% off their original price.A backpack is on sale for $11.20 What was the original price of the backpack?​

Answer 1

$16

Explanation:

If you received 30% off then you paid 70% of the price. To find the original price, write a proportion.

`(70)/(100)=(11.20)/(y)`

To solve cross multiply.

70y = 1120

y= 16