Question

the ratio of boys to girls in a class is 5.3 there are 32 students in the class. how many are girls?

Answer 1

Step-by-step explanation:

Solution;

Let the common ratio be x. Then, the number of boys and girls is 5x and 3x.

By question

5x + 3 x = 32

or, 8x = 32

or, x = 4

Now, No. of girls = 3 x 4 = 12

Hence, there are 12 girls.

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Answer 2

5:3 is class ratio

5+3=8

therefore divide 32 by 8

=4 = X

then, no. of girls in class:

the ratio of girls × X

= 3×4

=12

THEREFORE THERE ARE 12 GIRLS IN THE CLASS