Question 22
Peter and Frank together can build a house in eight days. Peter and George together can build the same house in six days. Each person works exactly nine hours per day. If Peter alone can build the same house in 12 days, how many hours will Frank and George work together to build a house?
Interpretation: Assume constant individual work rates that add when people work together, as in the source solution.
Answer format: enter a whole number without units. Leading zeros are optional.
Interpretation: Assume constant individual work rates that add when people work together, as in the source solution.
Answer format: enter a whole number without units. Leading zeros are optional.