Eight men working 9 hours a day can do a piece of work in 28 days. In how many days will 12 men working for 7 hours a day do the same work?
20 days
18 days
28 days
24 days
Eight men working 9 hours a day can do a piece of work in 28 days. In how many days will 12 men working for 7 hours a day do the same work?