A can finish a work in 18 days and B can do the same work in half the time take by A. Then, working together, what part of the same work they can finish in a day ?

A can finish a work in 18 days and B can do the same work in half the

1.	A can finish a work in 18 days and B can do the same work in half the time take by A. Then, working together, what part of the same work they can finish in a day ?
A.	$\frac{1}{6}$$
B.	$\frac{1}{9}$$
C.	$\frac{2}{5}$$
D.	$\frac{2}{7}$$
Answer» B. $\frac{1}{9}$$