Question

The ages of Hari and Hadry are in the ratio 5 : 7. Four years from now the ratio of their ages will become 3 : 4. Find their present age.​

Answer 1

Step-by-step explanation:

let age of Hari and Harry be 5x and 7x

A. T. P

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

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

=20x+16=21x+12

=20x-21x=12-16

=-x=-4

=x=4

present age of Hari=5x=20yres

present age of Harry =7x=28 yres

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