Mathematics, 05.10.2019 12:30 AskaWaya
Plz ! a train averages a speed of 90 miles per hour across the plains and 37.5 miles per hour through the mountains. if a trip of 300 miles took 3 hour and 48 minutes, how much of it was through the mountains?
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Plz ! a train averages a speed of 90 miles per hour across the plains and 37.5 miles per hour throu...
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