Question

The ratio of boys to girls in a class in 3:4 .there are 20 girls in the class how many are boys?

Answer 1

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Itz Me Kushi!

Ratio = boys : girls = 3:4

3/4 × 5/5 =15/20

No.of boys= 15

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Answer 2

Girls=20

According to the question, the proportion stands...

4x=3×20

×=60/4

x=15

Therefore, the no of boys=15

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