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16 February, 12:47

The plans for a shed call for a rectangular floor with a perimeter of 204 ft. The length is two times the width. Find the length and width.

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Answers (2)
  1. 16 February, 13:12
    0
    Perimeter of a rectangle = 2 (length + width)

    Let width be x and length be 2x.

    204 ft = 2 (2x+x)

    204 ft = 2 (3x)

    204 ft = 6x

    204/6 = x

    34 = x

    therefore, width (x) = 34 ft

    length (2x) = 2 (34) = 68 ft
  2. 16 February, 15:34
    0
    A-length

    b-width

    perimeter of rectangular floor: 2a+2b=204

    The length is two times the width: a=2b

    2a + 2b = 204

    2*2b + 2b = 204

    6b = 204|:6

    b = 34

    a=2b=2*34=68

    a=68->length

    b=34->width
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