Question

There are 30 students in a class. For every 2 boys, there are 3 girls.
What is the number of boys and girls in the class.

Answer 1

There are 20 boys in the class.

It is given that, there are 3 girls for every 2 boys.

So, we can represent the ratio of girls to boys as 3/2 = 3:2

Again, there are 30 girls in the class.

Let there be x number of boys in the class.

So, the ratio of girls to boys become = 30/x = 30:x.

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This is equal to 3:2.

Thus, 30/x = 3/2

⇒3x = 60

⇒x = 60/3 = 20

Number of boys, x = 20.

Answer 2

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Boys = 12 ------ Girls = 18

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Step-by-step explanation:

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Please see the detailed answer in picture.

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