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Mathematics, 21.01.2021 04:20 dcttechgames

A man walks 7 km East in 2 hours and then 2.5 km west in 1 hour. What is the man's average velocity for the whole journey?

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A man walks 7 km East in 2 hours and then 2.5 km west in 1 hour. What is the man's average velocity...
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