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Math/algebra class

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You live 15 blocks (3/4 of a mile) from RACC. Your car is in for service so you decide to walk to class. Walking at a speed of 4 miles per hour, what is the latest time you can leave your home to be on time for your 10:00 am class in Berks Hall?
1) Estimate whether it will take you more or less than an hour?
2) Could you use conversion fractions? Which one(s)?


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  • Math/algebra class - ,

    4/1 = 0.75/x

    4x = .075

    x = 0.75 / 4

    x = 0.1875 hour

    60 * 0.1875 = 11.25 minutes

    ~~~~~~~~~~~~~~~~~
    Or to just estimate:

    She walks 1 mile in 15 minutes -- so she walks a little less than 15 minutes.

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