A can do a work in 15 days. B is 25% more efficient than A. In how many days, working together A and B will complete the same work?

A can do a work in 15 days. B is 25% more efficient than A. In how man

1.	A can do a work in 15 days. B is 25% more efficient than A. In how many days, working together A and B will complete the same work?
A.	\(\frac{{21}}{4}\)
B.	\(\frac{{25}}{7}\)
C.	\(\frac{{24}}{5}\)
D.	\(\frac{{20}}{3}\)
Answer» E.

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A can do a work in 15 days. B is 25% more efficient than A. In how many days, working together A and B will complete the same work?

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