If 8 workers can build 8 cars in 8 days, then how many days would it take 4 workers to build 4 cars? Choose the most appropriate option:	A) 2	B) 4	C) 8	D) 12	E) 16

Rationale: 8 workers can build 1 car per day on average . 1 worker can build 1 / 8 of a car per day . 4 workers can build 1 / 2 car per day . the time required to build 4 cars is 4 / ( 1 / 2 ) = 8 days the answer is c .
Answer: C