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30 November, 04:40

Sally can paint a room in 5 hours while it takes steve 7 hours. How long would it take them together?

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Answers (2)
  1. 30 November, 05:05
    0
    2.92 or 35/12

    Step-by-step explanation:

    Each hour sally does 1/5 and Steve does 1/7 1/5+1/7=12/35

    each hour they do 12/35

    So divide 1 by 12/35 to find how long it takes and you get

    35/12 or ≈2.92
  2. 30 November, 05:06
    0
    About 2 hours I believe
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