A can do a piece of work in 24 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? Choose one.
A) 9
B) 77
C) 66
D) 55
E) 12
8/24 + 6/x = 1   X =9 days   9nswer:9
<result>A</result>
A can do a piece of work in 24 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?