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27 November, 11:08

A painter estimates she can paint a house in 40 hours. She knows her assistant can do the same job is 60 hours. How long would it take them to paint the house working together?

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  1. 27 November, 11:58
    0
    24 hours

    Step-by-step explanation:

    1 hour

    Painter1 1/40

    Painter2 1/60

    together 1/40+1/60=5/120=1/24
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