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14 February, 02:10

The area of a rectangular hotel room is 209 square feet. the perimeter is 60 feet. what are the dimensions of the room?

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  1. 14 February, 05:56
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    A) x * y = 209

    B) 2x + 2y = 60

    A) y = 209 / x putting this into equation B

    B) 2x + (2 * 209 / x) = 60

    2x + 418 / x = 60 multiplying by x

    2x^2 + 418 = 60x

    2x^2 - 60x + 418 = 0

    Solving by quadratic formula

    x = 19

    y = 11
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