II) Rate of Work Problems:
•Problems involving two or more people working together on atask: ie cutting grass, painting a house…
•When each person work alone, they require a certain amount oftime.
•Asked how much time it takes if they work together.
Ex: Mike can mow his lawn in 2h and his brother Tim can mow in 4h.How long will it take if they work together?
It will take 4/3 of an hour if they work together