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Mathematics, 06.07.2021 01:00 averiemiranda1

During the first part of a 6-hour trip, you travel 240 miles at an average speed of r miles per hour. For the next 72 miles of the trip, you increase your speed by 10 miles per hour. What were
your two average speeds?

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During the first part of a 6-hour trip, you travel 240 miles at an average speed of r miles per hour...
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