ASSESSMENT
Solve each problem.
1. 12 men can finish repairing a building in 28 days.
If it is desired to finish the job in 16 days, how
many men are needed to do the job?
2. 20 volunteers can clean the street in an hour. If
10 more volunteers are added to them, how long
can they finish the job?
3. An orphanage has enough bread to feed 30
orphans for 12 days. If 10 more orphans are
added, how many days will the same amount of
bread last?
4. If 4 farmers can plow a 3-hectare land in 6 days,
how long will 8 farmers do it?
5. Twelve painters can paint a building in ten days.
How many painters are needed to paint it in 6
days?​