Asked by Ghadah
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.
BE SURE TO USE EQUATIONS FOR THIS PROBLEM.
Answers
Answered by
drwls
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.
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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