Question

Mary decreased her time for the mile walk from 30 minutes to 24 minutes. What was the percent of decrease?

Answer 1

20%

Explanation:

Formula:

((GreaterTime-LeastTime)/Greatertime)x100= Percentage of Decrease.

((30-24)/30)*100=percent of decrease.

(6/30)*100=percent of decrease.

0.2*100= percent of decrease.

20%.

Hope this helps you :D