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You travel from point A to point B in a car moving at a constant speed of70km/h Then you travel the same distance from point

You travel from point A to point B in a car moving at a constant speed of70km/h Then you travel the same distance from point B to another point C, moving at a constant speed of 90km/h Is your average speed for the entire trip from A to C equal to 80km/h? Explain why or why not.

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