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1 October, 19:11

A rectangular park has an area of 250 square feet. The length of the park is 7 feet more then twice the width, w of the park. Which equations, in terms of w, model this situation

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  1. 1 October, 19:31
    0
    Area = length * width

    width = w

    length = 2w+7

    A = (2w+7) * w

    250 = 2w^2+7w

    0 = 2w^2 + 7w-250
  2. 1 October, 19:33
    0
    w is the width, hence length is 2w + 7 (7 more than twice the width)

    area = length * width = w (2w + 7) = 250

    2w² + 7w - 250 = 0 ← in standard form
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