# Math

Amanda can run 4/5 of a mile in nine minutes express her speed as a unit rate in miles per hour

9 4/5 Miles per hour
15 miles per hour
5 1/3 miles per hour
3 1/5 miles per hour

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1. (4/5 mi) / 9min * 60min/hr = (4*60)/(5*9) mi/hr

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oobleck

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