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Mathematics 19 Online
OpenStudy (anonymous):

Gilbert swims 2500 m at 5 km per hour. He then swims 500 m at 10 km per hour. How long does Gilbert swim in all?

OpenStudy (anonymous):

33 mins

OpenStudy (anonymous):

Takes him 30 mins to travel 2500 m at a rate of 5000 meters/hour. Then 3 mins to travel 500m at a rate of 10000 meters/hour. Thanks for the vote ahead of time.

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