Two men and three boys can do a piece of work in ten days; while three men and two boys can do the same work in eight days. In how many days can two men and one boy do the work?

Two men and three boys can do a piece of work in ten days; while three

1.	Two men and three boys can do a piece of work in ten days; while three men and two boys can do the same work in eight days. In how many days can two men and one boy do the work?
A.	12.5
B.	9
C.	9.5
D.	8.5
Answer» B. 9