Find the average of all the numbers between 6 and 34 which are divisible by 6.	Choose the correct choice from the following:
A) 18	B) 20	C) 24	D) 30	E) 21

Rationale: "solution average = ( ( 12 + 18 + 24 + 30 ) / 5 ) = 84 / 4 = 21 . answer e"
Answer: E