A, B and C can complete a work in 20, 12 and 8 days respectively. In how many days A and B together can complete that work?

A, B and C can complete a work in 20, 12 and 8 days respectively. In h

1.	A, B and C can complete a work in 20, 12 and 8 days respectively. In how many days A and B together can complete that work?
A.	\(\frac{{65}}{7}\) days
B.	\(\frac{{41}}{3}\) days
C.	\(\frac{{71}}{3}\) days
D.	\(\frac{{30}}{4}\) days
Answer» E.

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A, B and C can complete a work in 20, 12 and 8 days respectively. In how many days A and B together can complete that work?

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