Mathematics
Mathematics, 16.10.2020 03:01, summerjoiner

A 150-pound person uses 5.1 calories per minute when walking at a speed of 4 mph. How long must a person walk at this speed to use at least 190 calories?

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A 150-pound person uses 5.1 calories per minute when walking at a speed of 4 mph. How long must a pe...

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