Question

A ratio of boys to girls in the classroom is 4 to 5. If there are 20 girls in the class, how many boys would there be?

Answer 1

Let boys in the classroom be 4x

Then the girls in the classroom is 5x

According to the question,

5x=20

x=20/5

x=4

boys=4x

=4×4

=16

So, there are 16 boys in the classroom

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