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6 August, 08:42

If there is a 7 1/2 foot long couch and I want to scale it down with 1 inch : 2 feet what would the length be

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  1. 6 August, 11:15
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    Step-by-step explanation:

    1 inch = 2 ft

    7 1/2 ft is the same as 7.5 ft

    make a proportion

    1 inch to 2 ft = x inches to 7.5 ft

    make a proportion ...

    1 / 2 = x / 7.5

    cross multiply

    (2) (x) = (1) (7.5)

    2x = 7.5

    x = 7.5 / 2

    x = 3.75 inches or 3 3/4 ft <===
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