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17 August, 00:26

A window washer cleaned 38 Windows in 2 hours. ay this rate, how many Windows did he clean in 7 hours?

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  1. 17 August, 00:46
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    Answer: 133

    Step-by-step explanation: First thing you need to do is find the unit rate which means how many windows can he clean in one hour. We know he cleaned 38 windows in 2 hours so divide 38 by 2 to get unit rate

    38 divided by 2 is 19 so that is the amount of windows cleaned in 1 hour

    so to find the amount in 7 hours multiply the unit rate by 7

    19 times 7 is 133 so he can clean 133 windows in 7 hours
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