Mathematics
Mathematics, 28.09.2019 14:00, jadawada223

Atrain traveled the first 200 miles of its trip at a speed of 50 mph and the next 130 miles at a speed of 65 mph. what was the average speed of the train during the whole trip?

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Atrain traveled the first 200 miles of its trip at a speed of 50 mph and the next 130 miles at a spe...

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