Question

The prethe present ages of a and b are in the ratio 9 : 4. seven years hence the ratio of their ages will be 5 ratio 3. find their present ages??​

Answer 1

answer

let the age of a be 9x and b be 4x

A/q

after seven years age of a be 9x+7 and b be 4x+7

9x+7/4x+7=5/3

27x+21=20x+35

27x-20x=35-21

7x=14

x=14/7

x=2

present age of a =9×2=18 years

present age of b=4×2=8 years

Answer 2

Answer:

x=18,y=8

Step-by-step explanation:

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