Question

The ratio of boys and girls in a 4:3.If there are 20 boys, find the number of girls.​

Answer 1

There are 15 girls.

Explanation:

The ratio is 4:3, meaning there are 7 parts.

4 parts= 20 (Boys)

This means 1 part is 20 divided by 4.

1 part= 5

3 parts= Amount of girls.

3 x 5 = 15.

There are 15 girls.

Answer 2

15

Explanation:

Add:

boys : girls

4 : 3 = 7

20: ? = ?

Divide:

20 / 4 = 5

5 × 3 = 15

20: 15

So, there are 15 girls.