Question

the ratio between the ages of A and B is 7:9.9 years ago ,their ages were in the ratio of 2:3 find their present ages

Answer 1

Step-by-step explanation:

let a age be 7x

let b age be 9x

9 year ago

7x-9

b age9x-9

acc.to ques.-

7x-9/9x-9=2/3

18x-18=21x-27

3x=9

x=3

putting the value x

7×3=21

9×3=27