Mordecai2004 Mordecai2004

30-09-2016
Mathematics

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Ivan has a piece of lumber 104 inches long. He is sawing it into 12 inch lengths to make fence posts. He says he can get about 9 fence posts out of the board

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jason2020158 jason2020158

30-09-2016

A lumber is 104 inches long. If Ivan wants to saw it into pieces of 12-inch fences, then he needs to split 104 into 12's. 104 divided by 12 is 8.66... which means at most he can make 8.66... fences, but there aren't things such as .66... fences. So Ivan can saw 8 fences of 12 inches long.

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