A can finish a piece of work in 4 days. B can do it in 10 days. They work together for two days and then A goes away. In how many days will B finish the work?  Choices:	A) 3	B) 5	C) 6	D) 7	E) 8

Rationale: 2 / 4 + ( 2 + x ) / 10 = 1 = > x = 3 days answer : a
Answer: A