What was the question for this implicit rationale, and corresponding answer?
20 + 24 + 8 * 2 = 60/2 = 30
The answer: (C)
The question: The average age of 8 men increases by 2 years when two women are included in place of two men of ages 20 and 24 years. Find the average age of the women?
Options:
(A) 29
(B) 78
(C) 30
(D) 28
(E) 12