Question

the number of boys and girls in a class are in the ratio 7:5 the number of boys is8 more than the number of girls wht is the total class strength

Answer 1

let boys and girls be 7x and 5x respectively
so given boys are more than girls by 8 so
5x+8=7x

=>8= 7x - 5x
8= 2x
2x = 8
x = 8/2
x = 4
total strength = no. of boys + no. of girls
= 7x + 5x
= 7*4+5*4
= 28+20
= 48
48 is the answer hope it helps mark it brainliest plz plz