SOLUTION: A freight train averages 30 mph traveling to its destination with full cars and 40 mph on the return trip with empty cars. What is the train's average speed for the entire trip? Ro

Question 1077479: A freight train averages 30 mph traveling to its destination with full cars and 40 mph on the return trip with empty cars. What is the train's average speed for the entire trip? Round to the nearest tenth
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
A freight train averages 30 mph traveling to its destination with full cars and 40 mph on the return trip with empty cars. What is the train's average speed for the entire trip? Round to the nearest tenth
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Avg = 2*30*40/(30+40) mi/hr

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