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6 February, 20:42

The length of a rectangle in inches is sixteen less than seven times the width. if the perimeter of the rectangle is 48 inches, what is the length, in inches?

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  1. 6 February, 21:01
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    Let W stand for width, 7W-16 stand for the length.

    2W + 2 (7W-16) = 48in

    Multiply out the parentheses

    2W + 14W - 32=48in

    Combine like terms

    16W = 80in

    Divide both sides by 16

    W = 5in
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