Question

the ratio of number boys to the number of girls in a choir is 7 to 5 there are 150 girls in the choir how many boys are in the choir ​

Answer 1

150/5 = 30
30 x 7 = 210
210 boys in choir

Answer 2

210

Explanation:

1. Let the number of boys be x

2. Equate the ratios:

7:5 = x: 150

3. Rearrange and solve

If 5 parts = 150,

then 1 part = 150 divided by 5 = 30.

So, 7 parts = The number of boys = 30 x 7 = 210

Hope this helps