Question

The number of boys and girls in a class are in the ratio 7:5 the number of boys is 8 more than the number of girls what is tha total class strength​

Answer 1

let the number of boys=7x

let the number of girls=5x

number of boys =7x=number of girls=5x

7x=5x+8

7x-5x=8

2x=8

x=8/2

x=4

number of boys=7x=7×4=28

number of girls=5x=5×4=20

the total number of students in class =20+28=48

hope it helps