A can do three times the work done by B in one day. They together finish $$\frac{2}{5}$$of the work in 9 days. The number of days by which B can do the work alone are ?

A can do three times the work done by B in one day. They together fini

1.	A can do three times the work done by B in one day. They together finish $$\frac{2}{5}$$of the work in 9 days. The number of days by which B can do the work alone are ?
A.	20 days
B.	00 days
C.	0 days
D.	0 days
Answer» E.