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06-01-2015
Mathematics

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In 25 minutes Li can run 10 laps around the track. How many laps can she run per minute

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06-01-2015

so 10 laps in 25 mins we want to make mins=1 so
10/25=2/5 times 5/5=2/5

if you multiply 2/5 by 2/2 then you get 4/10 and 4/10=0.4

Li can run 0.4 or 2/5 lap in 1 minute

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