Question

A refrigerator was on sale at the appliance store for 20% off.Marcus received a coupon from the store for an additional 30% off any current price in the store. If he uses the coupon to buy the refrigerator , the price would be $487.20 before taxes.What was the original price?​

Answer 1

$870

Explanation:

let $x be original price

x(0.8)(0.7) = 487.2

x= 487.2/0.8/0.7

x=870