A bucket full of nuts was discovered by the crow living in the basement. The crow eats a fifth of the total number of nuts in 4 hours. How many hours in total will it take the crow to finish a quarter of the nuts?	Choose the correct choice from the following answers
A) 4	B) 5	C) 6	D) 7	E) 8

Rationale: "in one hour , the crow eats 1 / 20 of the nuts . ( 1 / 4 ) / ( 1 / 20 ) = 5 hours the answer is b ."
Answer: B