Question

The science club sold 25 t-shirts last week and 18 t-shirts this week. what is the percentage of decrease in the number of t-shirts sold ?

A) 72%
B) 28%
C) 39%
D) 36%

Answer 1

percent decrease : (original number - new number) / original number...x 100
percent decrease = (25 - 18) / 25....x 100
percent decrease = 7/25 * 100
percent decrease = 700/25 = 28%