Question

The ages of Hari and Harry are in the ratio 5:7 . 4 years from now the ratio of their ages will be 3:4 . Find their present ages .​

Answer 1

Answer:

Duyt

Step-by-step explanation:

Answer 2

Answer:

let the common ages be x

then,

Hari's age = 5x

Harry's age =7x

After 3years,

Hari's age = 5x+3

Harry's age =7x+3

given:-

after 3years the ratio of their ages will be =3:4

solve:-

5x+3:7x+3=3:4

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

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

5x+3=(21x+9)/4

4(5x+3)=21x+9

20x+12=21x+9

20x-21x=9-12

-x=(-3)

x=3

common ages=3years

Hari's age = 5x =(5×3)years=15years

Harry's age =7x =(7×3)years=21years

Hope it will be helpful