Question

the ratio of the number of boys to the number of girls is 5 :3 in the class if there are 15 boys in a class find the number of girls in the class​

Answer 1

Answer:

9 girls.

Step-by-step explanation:

boys : girls = 5 : 3

hence total no. of boys = 5k and girls = 3k

there are 15 boys.

hence 5k = 15

k = 3

hence no. of girls = 3k = 3 x 3 = 9

total number girls are are 9 girls.

Answer 2

Answer:

9 Girls

Step-by-step explanation:

Given that

Boys : Girls = 5 : 3 and

Boys in the Class = 15

As per the ratio

5x ---- 15

3x ---- ?

No. of Girls in the class

? × 5x = 15 × 3x

Cancel 'x' on both sides

? = 3×3

? = 9