In two days A, B and C together can finish $$\frac{1}{2}$$of a work and in another 2 days B and C together can finish $$\frac{3}{{10}}$$part of the work. Then A alone can complete the whole work in ?

In two days A, B and C together can finish $$\frac{1}{2}$$of a work an

1.	In two days A, B and C together can finish $$\frac{1}{2}$$of a work and in another 2 days B and C together can finish $$\frac{3}{{10}}$$part of the work. Then A alone can complete the whole work in ?
A.	5 days
B.	0 days
C.	2 days
D.	4 days
Answer» C. 2 days