Question

In Ellens Math class, there are 2 boys for every 3 girls. if there are 21 girls in the class, how many boys are in the classroom.

Answer 1

14 boys

Explanation:

Given,

There are 3 girls for every 2 boys

So,

For every 1 girl

`= (2)/(3) \: boys`

Therefore,

For every 21 girls,

`= (2)/(3) * 21 \: boys`

= 14 boys (Ans)