Question

During a sale, thetc price of a sweater was changed from $20 to $16. What was the percent of decrease in the price of the sweater?

Answer 1

The sweater has a 20% decrease in price. 

Here's the math:
$20 - $16 =$4
$4 / $20 =.2
.2= 20%

Answer 2

Percent change=change/original times 100

change=20-16=4
original=20

change=4/20 times 100=0.2 times 100=20

answer is 20%