Question

A, b, and c can together do some work in 72 days. A and b can together do two times as much work as c alone, and a and c together can do four times as much work as b alone. Find the time taken by c alone to do the whole work.



a. 144 days



b. 360 days



c. 216 days



d. 180 days

Answer 1

Answer:

144 days ...............