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28 October, 16:53

Hannah can paint a room in 8 hours. Destiny can paint the same room in 6 hours. How long does it take for both Hannah and Destiny to paint the room it they are working together?

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  1. 28 October, 19:26
    0
    3 hours 26 minutes

    Step-by-step explanation:

    1/8 + 1/6 = 1/t where t is the required time in hours.

    Multiply through by 24t:-

    3t + 4t = 24

    7t = 24

    t = 3 3/7 hours

    or 3 hours 26 minutes to the nearest minute.
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