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20 February, 18:08

a post is put every 6 feet along a fence around a rectangular field that is 42 ft long and 36 ft wide. How many posts are needed?

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Answers (2)
  1. 20 February, 20:58
    0
    26: 6 + 5 + 6 + 5 + 4 in corner
  2. 20 February, 21:54
    0
    First, let's find the perimeter:

    42*2 + 36*2 = 84 + 72 = 156

    156/6 = 26

    26 posts are needed.
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