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algebra

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Tom decides to make a rectangular desk top from a plywood door that was stored in the basement. The door was 2 feet longer than twice its width. To get the desired size desk he cuts 3 inches off its length and 1/2 foot off its width. If the plywood he cut off had a total area of 9 1/2 feet, what were the original dimensions of the door?

  • algebra - ,

    Let x = original width, then 2x+2 = length.

    x(2x+2) - (2x+1.75) * (x-.5) = 9.5

    Solve for x, then 2x+2

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