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Laura is training for a triathlon, but she doesn't feel like swimming. She bikes $20$ miles at $2x+1$ miles per hour, spends five minutes parking her bike, changing to her running shoes, and catching a drink of water, and then runs $5$ miles at $x$ miles per hour. Her total workout lasts $110$ minutes. How fast did Laura run, to the nearest hundredth of a mile per hour?

 Jul 27, 2019
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https://web2.0calc.com/questions/help_90672

 Jul 27, 2019

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