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A fence will be built to enclose a 100-m by 70-m field. It will need a post at each corner and one every 5 m.
Answered Dec 08, 2019
Corners were counted twice and 68 is not right answer. It should be 64
Answered Aug 26, 2018
The answer is 100 multiply by 70 divided by 5 = 1400
Answered Aug 08, 2018
68, sixty-eight 2(100 / 5)+2(70 / 5) =2(20)+2(14) =40+28 =68 Therefore, 68 posts are needed.
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