SOLUTION: How would I solve this type of problem? If sam can paint a house in 5 hours and Jill can paint a house in 3 hours, how long will it take for both of them to paint a house?
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Question 191006: How would I solve this type of problem? If sam can paint a house in 5 hours and Jill can paint a house in 3 hours, how long will it take for both of them to paint a house? Answer by Edwin McCravy(20054) (Show Source):
You can do it in your head!
In 15 hours Sam can paint 3 houses and Jill can paint 5 houses.
That's 8 houses in 15 hours they can paint, both working together,
so the length of time for just 1 house would be 15 hours divided
by 8 or 1 7/8 hours.
Edwin
