Question

The ages of A and B are in the ratio 5:7. Four years from now the ratio of their ages will be 3:4. The present age of B is​

Answer 1

Answer:

A= 20 yrs

B= 28 yrs

Step-by-step explanation:

A present age = 5x  B present age = 7x

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

20x+16 = 21x+12

16-12 = 21x-20x

x = 4

A age 20

B age 28

hope its clear