In 10 years, A will be twice as old5as B was 10 years ago. If A is now 9 years older than B, the present age of B is

In 10 years, A will be twice as old5as B was 10 years ago. If A is

1.	In 10 years, A will be twice as old5as B was 10 years ago. If A is now 9 years older than B, the present age of B is
A.	35
B.	37
C.	39
D.	41
Answer» D. 41