Respuesta :

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

Answer:

210

Step-by-step 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

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