Question

On one particular test question, 20% of the 30 students answered incorrectly. How many students answer correctly?

A.24
B.14
C.6
D.10

Answer 1

24 (A)

Explanation:

So we know 20%=20/100, reduced to 1/5.

1/5 of 30 is 6, meaning 6 students answered it incorrectly.

Therefore, 24 students answered correctly

Hope this helps :)