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Math

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The park ranger is fencing in an area that is 24 ft wide and 36 ft long. The fence posts will be 3 ft apart. How many fence posts will he need?

BE SURE TO USE EQUATIONS FOR THIS PROBLEM.

  • Math -

    The number of posts for the long (length = L) sides is 2 L/3. That will provide the posts between the corners, plus one corner post for each side.

    The number of posts (N) for the narrow (width = W) sides is 2 W/3. Add the two terms for the answer.

    N = (2/3)(L + W)

    Corner posts will not be double-counted. Plug in the numbers for L and W.

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