Question

The ratio of ages of Monu and Sonu is 5:7 . Four years later the ratio of there ages will be 3:4 . Find there present ages . ​

Answer 1

Let the their ages be 5x and 7x

After 4 years their ages will be 5x+4 and 7x+4.

5x+4/7x+4 = 3/4

4(5x+4) = 3(7x+4)

20x+16 = 21x+12

16-12 = 21x-20x

4 = x

Age of monu = 20

Age of sonu = 28

Hope it helps u.............................