Mathematics, 07.04.2020 17:27 chenepiernas

In a 10 mile race, Janet covered the first 2 miles at a constant rate. She then sped up and rode her bike the last 8 miles at a rate that was 0.5 miles per minute faster. Janet's overall time would have been 2 minutes faster had she ridden her bike the whole race at the faster pace. What was Janet's average speed (in miles per minute) for the whole race?

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In a 10 mile race, Janet covered the first 2 miles at a constant rate. She then sped up and rode her...