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12 January, 20:29

You are running a fuel economy company. One of the cars you find is blue. It can travel 36 1/2 on 1 1/4 gallons of gas. Another car is red. It can travel 20 4/5 miles on 4/5 gallon of gasoline. What is the unit rate for miles per gallon for each car? Which car could travel the greater distance on 1 gallon of gasoline?

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  1. 12 January, 20:53
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    See below in bold.

    Step-by-step explanation:

    Blue car: unit rate = miles / gallons used = 36 1/2 / 1 1/4

    = 73/2 / 5/4

    = 73/2 * 4/5

    = 73*2/5

    = 29.2 mi/gal.

    Red car: Unit rate = 20 4/5 / 4/5

    = 104/5 * 5/4

    = 104/4

    = 26 mi/gal.

    The blue car travels the greater distance on 1 gallon of gas.
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