Question

A music store bought a CD set at a cost of ​$.10 When the store sold the CD​ set, the percent markup was ​%20. Find the selling price.

Answer 1

$12

Explanation:

$10 is 100% of the price

The selling price is 120% of the price

x= selling price

10 -------------100%

x ----------------120 %

Cross multiplication

10x120 = 100x

1200 = 100x

Divide both sides by 100

12 = x

Selling price = $12