A and B can complete a piece of work in 80 days and 120 days respectively. They started working together but A left after 20 days. After another 12 days C joined B and they completed the work in 28 more days. In how many days can C alone complete the work?

A and B can complete a piece of work in 80 days and 120 days respectiv

1.	A and B can complete a piece of work in 80 days and 120 days respectively. They started working together but A left after 20 days. After another 12 days C joined B and they completed the work in 28 more days. In how many days can C alone complete the work?
A.	110 days
B.	112 days
C.	114 days
D.	120 days
Answer» C. 114 days