800 men can do a piece of work in 30 days. After working for 12 days 80 men left the work. In how many days can the remaining work be completed by the remaining people?
1
22
2
20
3
28
4
24
800 men can do a piece of work in 30 days. After working for 12 days 80 men left the work. In how many days can the remaining work be completed by the remaining people?