Question

1. The present ages of
A and B are in the ratio 7:5. Ten years later, their ages will
in the ratio 9:7. Find their present ages.​

Answer 1

Step-by-step explanation:

7x/5x

after 10 years

7x+10/5x+10 =9/7

by cross multiplication

7(7x+10)=9( 5x+10)

49x+70=45x+90

49x-45x=90-70

4x=20

x=20/4

x=5

7x= 35

5x=25

present age of A is 35 and B is 25

Answer 2

Step-by-step explanation:

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