Question

Sally is buying new school supplies she uses a 15% off coupon on the set of markers that was originally $3 she also bought some papers that was 20% off total Sally spent $5.35 after using her coupon how much was the original price of the paperl

Answer 1

[(100-15)/100 * $3]
= $2.55
$5.35 - $2.55
= $2.80 |80% paper|

80/100 = 2.80/x
4/5 = 2.80/x
4x = 14
x = 3.5

Original price of the paper = $3.50