Question

The no are in ratio 3:4 if 8 is added to each no they become 4:5 find no

Answer 1

let the number =x

3x,4x

according to the question ,

3x+4x/4x+8=4/5

15x+40=16x+32

15x-16x=32-40

-×=-8

x=8

3x=8×3=24

4x=4×8=32