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

Answer:

$16

Step-by-step explanation:

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

$\frac{70}{100}=\frac{11.20}{y}$

To solve cross multiply.

70y = 1120

y= 16