Question

the ages of hari and harry are in the ratio 5:7 four years from now the ratio of their ages will be 3:4. find their present ages

Answer 1

10 y 8 años

Explanation:

Answer 2

x = 20

y = 28

Explanation:

hari's age: x

harry's age: y

7x = 5y

4(x+4) = 3(y+4)

4x+16 = 3y+12

4x+4 = 3y

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

20/3x +20/3 = 7x

20/3 = 1/3x

x = 20

y = 28