X can do a piece of work in 40 days. He works at it for 8 days and then Y finished it in 16 days. How long will they together take to complete the work?

X can do a piece of work in 40 days. He works at it for 8 days and the

1.	X can do a piece of work in 40 days. He works at it for 8 days and then Y finished it in 16 days. How long will they together take to complete the work?
A.	$13\frac{1}{3}$$days
B.	5 days
C.	0 days
D.	6 days
Answer» B. 5 days