A and B can finish a work together in \(3\frac{2}{3}\) days. C and D can finish the same work in \(3\frac{1}{7}\) days. If A, B, C and D do the work together, how long will it take for them to finish half of the work?

A and B can finish a work together in \(3\frac{2}{3}\) days. C and D

1.	A and B can finish a work together in \(3\frac{2}{3}\) days. C and D can finish the same work in \(3\frac{1}{7}\) days. If A, B, C and D do the work together, how long will it take for them to finish half of the work?
A.	\(1\frac{1}{13}\) days
B.	8/13 day
C.	2/13 days
D.	11/13 days
Answer» E.

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A and B can finish a work together in \(3\frac{2}{3}\) days. C and D can finish the same work in \(3\frac{1}{7}\) days. If A, B, C and D do the work together, how long will it take for them to finish half of the work?

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