A can do a work in 12 days while B can do same work in 18 days. How long (in days) will it take if they do the work together?

A can do a work in 12 days while B can do same work in 18 days. How lo

1.	A can do a work in 12 days while B can do same work in 18 days. How long (in days) will it take if they do the work together?
A.	\(5\frac{3}{4}\)
B.	\(7\frac{1}{5}\)
C.	\(6\frac{1}{4}\)
D.	\(6\frac{2}{5}\)
Answer» C. \(6\frac{1}{4}\)

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A can do a work in 12 days while B can do same work in 18 days. How long (in days) will it take if they do the work together?

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