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24 January, 21:08

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. 24 January, 22:09
    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
  2. 24 January, 22:32
    0
    126 windows will be washed
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