Question

A teacher expected 18 parents to show up for open house, but 25 attended. Which represents the percent of error? Show Work!

(A) 20%
(B) 24%
(C) 25%
(D) 28%

Answer 1

28%

Explanation:

| a - x | |18 - 25|

---------- X 100. ----------- X 100 = 28%

| x | | 25 |