A can do a piece of work in 9 days, B can do the same in 12 days, In how many days can the work be complete if A and B work together?

A can do a piece of work in 9 days, B can do the same in 12 days, In h

1.	A can do a piece of work in 9 days, B can do the same in 12 days, In how many days can the work be complete if A and B work together?
A.	\[3\frac{1}{7}\] days
B.	\[9\frac{1}{7}\] days
C.	\[4\frac{1}{7}\] days
D.	\[5\frac{1}{7}\] days
Answer» E.