Question

the X and Y are in ratio 5:3.After 6 years A age will be 21. find the present age of B.​

Answer 1

Answer:

9

Step-by-step explanation:

x/y=5/3

3x=5y

X+6=21

X=15

3x=5y

3×15=5×y

y=9

Answer 2

Answer:

9

Step-by-step explanation:

let the ratio is = 5A:3A

after 6 year..

acc. to question,,

5A+6 = 21

5A = 15

A = 3

so the ratio is = 15:9

the present age of B is 9.