Question

2. In Ms. Morales's class, the ratio of boys to girls is 3:7. The class sizes at

Ms. Morales's school is 30 students per class. How many boys are in Ms.
Morales's class? *

Answer 1

9 Boys in the classroom.

Explanation:

3:7 is the ratio of boys to girls.

This is taking into account only 10 of the students of a 30 student class.

You have to times the ratio by 3 making it 9:21

Therefore, there are 9 boys and 21 girls.