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Mathematics, 21.02.2020 01:00 Goodgirlkl12k
An athlete in training rides his bike 20 mi and the immediately follows with a 10 mi run. The total workout takes 2.5 hr. He also knows he bike about twice as fast as he runs determine his biking speed and running speed.
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An athlete in training rides his bike 20 mi and the immediately follows with a 10 mi run. The total...
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