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21 June, 08:19

The width of a rectangular painting is 5 inches shorter than it's width. My question is, if I where to make a table, what would be the width, length, and area?

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  1. 21 June, 08:35
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    I'm guessing you meant the length is 5 in. shorter than the width.

    I'll use L, W, and A to represent length, width, and area, respectively.

    We know the area of a table, which is a rectangle, is given by A = L * W.

    We also know that L = W - 5.

    And then W = W, pretty much.

    So, given any width W, we can find L and A.

    Width is W

    Length is L = W - 5

    Area is A = L * W, but let's replace L with (W - 5).

    A = (W - 5) * W

    A = W^2 - 5W
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