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23 March, 18:25

A window washer cleans 42 windows in 2 hours. At this rate, how many windows did he clean in 180 minutes.

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Answers (2)
  1. 23 March, 18:35
    0
    126 windows will be washed
  2. 23 March, 18:38
    0
    Answer: he cleaned 63 windows

    step-by-step-explanation

    1. If the washer cleans 42 windows in 2 hours he cleaned 21 windows in 1 hour.

    2. 180 minutes equals 3 hours so you then add 42+21 and that equals 63
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