purpleshaz9 purpleshaz9

17-09-2014
Mathematics

Answered

Noah built a fenced dog run that is 8 yards long and 6 yards wide. He placed posts at every corner and every yard along the length and width of the run. How many posts did he use?

Answer :

SlowZasob SlowZasob

21-09-2014

There are 7 posts along one 8-yard side and 5 posts along one 6-yard side. It means that he used:

2 * 7 + 2 * 5 + 4 (posts on the corners) = 14 + 10 + 4 = 28 posts

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