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math

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2/3 cup of oatmeal is needed to make 10 granola bars. How many such granola bars can be made with 20 cups of oatmeal?

  • math -

    (2/3)/10 = 20/x

    (2/3)x = 200

    x = 200 / (2/3)

    x = 200 * (3/2)

    x = 600/2

    x = 300

  • math -

    An empty bathtub is filled with water at a rate of 2.5 litles per minuye. how long will it take to fill the bathtub with 30 liters of water?

  • math -

    12 minutes

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