Becky L.

asked • 04/16/20

6th grade ratio math

The ratio of boys to girls in the school choir is 4:7. If there are 16 boys, how many girls are in the chior?

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Stephanie L. answered • 04/17/20

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The ratio is 4 boys for every 7 girls, or 4B / 7G. We want to know how many girls if we have 16 boys, so we set up our ratio equation of 4B / 7G = 16B / xG. Cross multiply and you get 4B * xG = 7G * 16B, or 4x = 112. Divide both sides by 4 and x, the number of girls in the choir, is 28!

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