math

Bernie put in a garden in her back yard. The garden has a perimeter of 272 feet. She wants to know the total surface area of the garden and all she knows is the perimeter and that the width is 20% or (1/5) of the length. (Remember 20% and the fraction 1/5 is the same decimal value) Use a system of equations for finding the length and width so you can calculate the area. Your area answer does not need to include the unit as the answer assumes you will use feet2.

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asked by jessica
  1. P = 2L + 2W

    272 = 2L + 2(0.2L)

    272 = 2.4L

    272/2.4 = L

    113.333 = L

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