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Mathematics, 06.07.2019 02:50 gracye
Aroad trip of 400 miles require a total of 8 hours to drive. for the first portion of the trip, an average speed of 63 miles per hour was maintained; on the last portion of the trip, the average speed was only 443 miles per hour due to highway construction project. how much time, in hours, to the nearest tenth of an hour, was spent driving at each of the two speeds, and what was the total time for the entire trip?
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Aroad trip of 400 miles require a total of 8 hours to drive. for the first portion of the trip, an a...
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