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math

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"central park is 5 meters longer than it is wide. The area is 2250 square meters. find the length of the park"

  • math - ,

    width --- x
    length --- x+5

    x(x+5) = 2250
    x^2 + 5x - 2250 = 0
    (x - 45)(x+50) = 0
    x= 45 or x = -50, last part is silly

    length is 50, width = 45


    check: area = 45(50) = 2250

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