algebra

A scale used for a model car is one inch for every 2.5 feet. If the car is originally 7.25 feet long, how long will the model car be?

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  1. Set up a proportion. Cross multiply and solve for x.

    1 / 2.5 = x / 7.25

    2.5x = 7.25
    x = 7.25 / 2.5

    x = ?

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    Ms. Sue
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