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Math Help - Help word problem

  1. #1
    lisamae
    Guest

    Help word problem

    i really need help i have a rectangular garden i need 42m of fencing to go all the way around,the length of the garden is twice as long as the width. what is the length and the width? please help
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  2. #2
    Super Member

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    Lexington, MA (USA)
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    Hello, lisamae!

    Did you make a sketch?


    i have a rectangular garden.
    i need 42m of fencing to go all the way around.
    the length of the garden is twice as long as the width.
    what is the length and the width?
    Code:
                 2x
          *--------------*
          |              |
        x |              | x
          |              |
          *--------------*
                 2x
    Let the width of the garden be x.
    Then the length is 2x.

    The amount of fencing is: .x + 2x + x + 2x .= .6x
    We are told that the amount of fencing is 42 feet.

    There is our equation . . . .6x .= .42

    Hence: .x = 7 .and .2x = 14


    Therefore, the garden will be 7-by-14 feet.

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