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1 April, 17:01

it takes 140 minutes to wash 40 windows in an office building. how many minutes does it take to wash each window

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Answers (2)
  1. 1 April, 19:18
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    It will take 3 hours and 30 minutes to wash 40 Windows in the time frame of 140 minutes.

    Answer=3:30
  2. 1 April, 20:57
    0
    It takes 3.5 or 3 and a half hours 3:30 minutes
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