In 10 years, A will be twice as old 5 as B was 10 years ago. If A is now 9 years older than B, the present age of B

In 10 years, A will be twice as old 5 as B was 10 years ago. If A i

1.	In 10 years, A will be twice as old 5 as B was 10 years ago. If A is now 9 years older than B, the present age of B
A.	37 years
B.	38 years
C.	39 years
D.	40 years
Answer» D. 40 years