X can do a piece of work in 40days. He works at it for 8days and then Y finished it in 32 days. How long will Y take to complete the work?	Choose the correct choice from the following answers:  A) 10  B) 40  C) 15  D) 18  E) 20
Work done by X in 8days = 8*1/40 = 1/5   Remaining work = 1 - 1/5 = 4/5   4/5 work is done by Y in 32 days   Whole work will be done by Y in  32*5/4= 
<gadget id="calculator"> 32*5/4</gadget>
<output>40</output>
40 days   Answer is 40
<result>B</result>
X can do a piece of work in 40days. He works at it for 8days and then Y finished it in 32 days. How long will Y take to complete the work?