"Working Together" Rate/Time Word Problems (free)

These super-hard word problems always involve people or machines working together to accomplish a task quicker, but in this video I show you a table trick to make them manageable. In one example, a couple of house painters - one who can paint a house in 3 days, the other 6 - work together to paint a house faster. In the others, we figure out how fast a hot and cold faucet can fill a tub.