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Mathematics, 17.11.2020 06:00 kukisbae

A salesman drove from his home to a nearby city at an average speed of 40 mi/h. He returned home at an average speed of 50 mi/h. What was his average speed for the entire trip?

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A salesman drove from his home to a nearby city at an average speed of 40 mi/h. He returned home at...
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