A,B,C can complete a piece of work in 3,9and 15 days respectively. Working together, they will complete the same work in how many days?
Choose the correct choice from the following.
A) 45/23 B) 55/23 C) 61/57 D) 12/13 E) 22/23
(45/23+B+C)'s 1day work = (1/3)+(1/9)+(1/115) = 23/45   45/23,B,C together will complete the work in 45/23 days   45/23nswer is 45/23
<result>A</result>
A,B,C can complete a piece of work in 3,9and 15 days respectively. Working together, they will complete the same work in how many days?