At Lake Middle School, the average ratio of boys to girls in a classroom is 3:2. Use a proportion to predict the number of girls in a classroom that has 15 boys

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asked Feb 17, 2015 192k views

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At Lake Middle School, the average ratio of boys to girls in a classroom is 3:2. Use a proportion to predict the number of girls in a classroom that has 15 boys

English
middle-school

Delio asked

by Delio

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2 Answers

6 votes

boy to girl ratio = 3:2

boys= 3

when boys = 15,
girls = 10

Rhigdon answered Feb 20, 2015

by Rhigdon

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5 votes

10 girls because 3 divided by 15 is 5 so u x 2 by 5

MMAdams answered Feb 24, 2015

by MMAdams

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