SOLUTION: A car travels 40 kilometers at an average speed of 80 km/h and then travels 40 kilometers at an average speed of 40 km/h. The average speed of the car for this 80 km trip is:

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Question 398263: A car travels 40 kilometers at an average speed of 80 km/h and then travels 40 kilometers at an average speed of 40 km/h. The average speed of the car for this 80 km trip is:
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Overall average = 2*80*40/(80 + 40)
= 160/3 km/hr