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12 August, 13:44

Sally can paint a room in in 7 hours while it takes Steve 9 hours to paint the same room. How long would it take them to paint the room if the worked together?

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  1. 12 August, 16:34
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    Add their rates of working to get rate working together.

    Step-by-step explanation:

    (1 room / Sally's time) + (1 room / Steve's time) = (1 room) / (time working together. working together, they can paint the room in 4 hrs 14 min.
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