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27 April, 10:58

A cookie recipe that yields 48 cookies calls for 2 cups of flour. a different cookie recipe that yields sixty cookies calls for 3 cups of flour. are these rates proportional

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  1. 27 April, 11:10
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    48 cookies from 2 cups of flour, rate = 48 cookies / 2 cups = 24 cookies / cup

    60 cookies from 3 cups of flour, rate = 60 cookies / 3 cups = 20 cookies / cup

    If the rates were proportional, the rates would have the same answers.

    Therefore the rates are not proportional.
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