Question

The present ages of two persons are in
the ratio 7:8. Twenty years ago the ratio of
their ages was 9:11. Find the present age
of the older person
64 years
72 years
56 years
40 years​

Answer 1

Step-by-step explanation:

{7x-20/8x-20 } = 9/11

77x -220 =72x -180

5x = 40

x =8

8x =8×8=64 yrs