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23 January, 23:19

A log with a radius of 2.5 feet is rolled up a hill. If it takes 30 seconds to roll the log one complete revolution, approximately how many minutes will it take to roll the log 75 yards? [3 feet = 1 yard] 5 7 10 12 15

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  1. 23 January, 23:42
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    Answer: 45minutes

    Step-by-step explanation:

    Since it takes 30seconds to roll a log of 2.5feets up the hill, it will take 25*225/2.5 seconds to roll a log of 225feets (75yards).

    *Note that

    3feets = 1yard

    xfeets = 75yards

    x = 75 * 3

    x = 225feets

    2.5feets = 30seconds

    225feets = y

    y = 225*30/2.5

    y = 2700seconds

    It will take 2700 seconds (45minutes) to roll up 75yards (225feets) of log
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