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Mathematics, 01.02.2021 21:20 parosil

During the first 20 miles you average 8 miles per hour. During the last 6.2 you increase your average speed by 2 miles per hour. How long will it take you to tune the last 6.2 miles of the marathon?

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During the first 20 miles you average 8 miles per hour. During the last 6.2 you increase your averag...
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