The ratio of the present ages of A and B is 3 : 4 3:4 3 : 4 . X X X years ago, the ratio of their ages was 5 : 7 5:7 5 : 7 . After X X X years, the su...

Question

The ratio of the present ages of A and B is 3:43:4. XX years ago, the ratio of their ages was 5:75:7. After XX years, the sum of their ages will be $48$. What is the present age of B?

Options

A.

16 years

B.

24 years

C.

32 years

D.

None of these

E.

Can't be determined

agesratioalgebraword problem

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