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16 May, 11:22

The length of a rectangle six times it's width is the perimeter of the rectangle is 70 feet find its area

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  1. 16 May, 11:36
    0
    A = 150 feet

    Step-by-step explanation:

    perimeter of rectangle = 2w + 2l

    l = 6w

    70 = 2w + 2 (6w)

    70 = 2w + 12w

    70 = 14w

    w = 70/14

    w = 5

    l = 6 x 5 = 30

    area = l x w

    A = 30 x 5 = 150 feet

    don't forget the units
  2. 16 May, 11:37
    0
    Let w be the width. Length is 6w

    Perimeter is 70 m

    so w + w + 6w + 6w = 70

    w = 70/14 = 5, l = 30m.

    Area = l * w = 30 * 5 = 150
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