A can do a piece of work in 9 days. When he had worked for 2 days B joins him. If the complete work was finished in 8 days. In how many days B alone can finish the work?  Pick one
A) 18	B) 77	C) 66	D) 54	E) 12
8/9 + 6/x = 1   X = 54 days   Answer:54
<result>D</result>
A can do a piece of work in 9 days. When he had worked for 2 days B joins him. If the complete work was finished in 8 days. In how many days B alone can finish the work?