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13 November, 06:50

The length of hetty's patio is 4 meters greater than three times the width. the perimeter of the patio is 72 meters. what are the dimensions of hettys patio? algebra

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  1. 13 November, 10:00
    0
    2L+2W=72

    L=3W+4

    2 (3w+4) + 2W=72

    6w+8+2W=72

    8+8W=72

    -8 - 8

    8W=64

    W=8 L=28
  2. 13 November, 10:26
    0
    3x + 4 where x represents the width

    P = 72 m

    trial and error:

    1. 3 (20) + 4 = 64

    2. 3 (23) + 4 = 73

    3. 3 (22.67) + 4 = 72.01 - - - round answer to nearest decimal place
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