A group of men decided to do a work in 20days, but 2 of them became absent. If the rest of the group did the work in 22days, Find the original number of men?
Choose the correct choice.
A) 15	B) 22	C) 27	D) 29	E) 18

Rationale: "original number of men = 2 * 22 / ( 22 - 20 ) = 22 answer is b"
Answer: B