Question

2. The ratio of boys to girls in the school

choir is 3:4. If there are 12 girls in the
choir, how many boys are in the choir?

Answer 1

Answer is 9 boys in the choir

Step by step

We know 3 boys : 4 girls
We know x boys : 12 girls

We can cross multiply and solve

3/4 = x/12

4x = 36
Divide both sides by 4 to solve for x

4/4 x = 36/4

x = 9

Answer 2

9 Boys

Explanation:

As we Know, 12 ÷ 4 is 3

3 x 3 is 9

therefore, it's 9