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Mathematics, 24.11.2021 04:00 aroland1990x

A 150-pound person uses 4.8 calories per minute when walking at a speed of 4 mph. How long must a person walk at this speed to use at least 250 calories?

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A 150-pound person uses 4.8 calories per minute when walking at a speed of 4 mph. How long must a pe...
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