pa answer po

3.If 12 men can do a piece of work in 15 days, how long will it take 9 men to do the same work? What is asked in the problem?

a. How long will it take 9 men to finish the work?

b. The number of days 12 men can finish the work.

c. Number of days 9 men can finish the work.

d. Number of days that 9 men can do the same work.


4.Four equal pumps can fill a tank in 42 minutes. How long will 6 pumps of the same kind fill the tank? The type of proportion the problem shows is


a. Direct

b. inverse

c. partitive

d. all of them