Question

The number of boys and girls in a class in the ratio 7:5. The number of boys is 70 then find the

number of girls.​

Answer 1

Step-by-step explanation:

let x number of girls

ratio of boys and girls =7:5

A. T. Q.

7 = 70 (cross multiply )

5 x

7x = 70 × 5

x = 70 × 5 (70 cut by 7on table 7)

7

x =10×5

x =50

total number of girls=50