SOLUTION: sally can paint a room in 7 hours while it takes steve 9 hours how long would it take them to paint a room together?
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Question 1021553: sally can paint a room in 7 hours while it takes steve 9 hours how long would it take them to paint a room together? Answer by ikleyn(52875) (Show Source):
You can put this solution on YOUR website! .
sally can paint a room in 7 hours while it takes steve 9 hours how long would it take them to paint a room together?
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Sally's rate of painting room is of the painting area per hour.
Steve's rate of painting room is of the painting area per hour.
Their combined rate is = = of the painting area per hour.
Hence, it will take = of an hour for Sally and Steve to paint the room, if they work together.