Question

(2/9) of students in a school are in the sixth grade.

How many sixth graders are there if the school has 90 students?

How many sixth graders are there if the school has 27 students?

How many students are in the school if 42 of them are sixth graders?

Answer 1

1. 90 students x (2/9) = 20 sixth graders

2. 27 students x (2/9) = 6 sixth graders

3. 42 sixth graders x (9/2) = 189 students