SOLUTION: Please help me! If Jon travels 1 km at 20 km/h and 1 km at 50 km/h then what's Jon's average speed rate over the 2 km trip?

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Question 870435: Please help me!
If Jon travels 1 km at 20 km/h and 1 km at 50 km/h then what's Jon's average speed rate over the 2 km trip?
Answer by ewatrrr(24785) About Me  (Show Source):