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15 January, 23:58

A person can paint a room in 6 hours while it takes another person to 5 hours to paint the same room how long would it take them to paint the room if they work together

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Answers (2)
  1. 16 January, 01:02
    0
    Let x = time they take working together. Then:-

    1/5 + 1/6 = 1/x

    Multiply through by 30x:-

    6x + 5x = 30

    11x = 30

    x = 30/11 = 2.73

    answer is 2.73 hours to nearest hundredth
  2. 16 January, 03:18
    0
    It should be one hour
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