Question

Marked at a regular price of $20. What is the percent decrease in the price

A pair of sunglasses is on sale for $17. Last week, the sunglasses were
of the
sunglasses?

Answer 1

15%

Explanation:

20-17 = 3

What percent is 3 of 20?

X/100 = 3/20 (cross multiply)

(3*100) / 20 = 15%