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09-06-2016
Mathematics

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Sailor ran 3/4 mile in 9 minutes express her speed as a unit rate, in miles per hour

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09-06-2016

Hello,

v=(3/4)/9 (mi/min)= (3/4)/(9/60) (mi/h)= 3/4*60/9 (mi/h)=5 (mi/h)
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