In a certain school, 40% of all students are 8 years old or younger. The number of the remaining students is 120. How many students are 8 years old or younger?

In a certain school, 40% of all students are 8 years old or younger. The number of the remaining students is 120. How many students are 8 years old or younger?

A 160

B 80

C 280

D 298

Solution

Correct Answer: Option B

60% = 120

1% = 120/60

40%= (120*40)/60=80