A is two years older than B who is twice as old as C. If the total of the ages of A, B and C be 47, the how old is B?
A.	7
B.	8
C.	9
D.	10
Explanation:
Choose the correct choice from the following answers
A) 5  B) 7  C) 18  D) 10  E) 11
Let C's age be x years. Then, B's age = 2x years. A's age = (2x + 2) years.   (2x + 2) + 2x + x = 47   5x = 45   x = 9.   Hence, B's age = 2x = 18 years.   Answer: Option 18
<result>C</result>
A is two years older than B who is twice as old as C. If the total of the ages of A, B and C be 47, the how old is B?
A.	7
B.	8
C.	9
D.	10
Explanation: