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9 Peter walked 8,900 feet from home to school.

1 mile = 5,280 feet
How far, to the nearest tenth of a mile, did he walk?​

User Ji Fang
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2 Answers

4 votes

Answer:

I would try 1.7

User Jasonnerothin
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\bf \begin{array}{ccll} miles&feet\\ \cline{1-2} 1&5280\\ x&8900 \end{array}\implies \cfrac{1}{x}=\cfrac{5280}{8900}\implies 8900=5280x \\\\\\ \cfrac{8900}{5280}=x\implies 1.6856\approx x\implies \stackrel{\textit{rounded up}}{1.7=x}

User Ardenne
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