algebra

The length of Sally's garden is 4 meters greater than 3 times the width. The perimeter of her garden is 72 meters. What are the dimensions of Sallly's garden?

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  1. 2(4+3w)+w+w=72
    8+6w+w+w=72
    8+8w=72
    -8 -8
    8w=64
    8w/8=64/8
    w=8

    BUT: You still need 1 more step to get your answer.

    Plug your answer in:

    4+3(8)=l
    4+24=l
    28=l

    So the demensions of the garden are:

    Width: 8 meters
    Length: 28 meters

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