A 70 kg man is running at a 10 minute per mile pace 6 mph on a flat surface. How long would it take him to attain the net energy expenditure of 400 KCals
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Adi S.
A 150 -lb person who runs at 6 mph for 1 hr burns about 720 calories. The same person, walking at $4 \mathrm{mph}$ for $90 \mathrm{min}$, burns about 480 calories. (Source: FitSmart, USA Weekend, July $19-21,2002)$ Suppose that a 150 -lb person runs at 6 mph for 75 min. How far would the person have to walk at $4 \mathrm{mph}$ in order to burn the same number of calories used running?
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Running vs. Walking. A 150 -lb person who runs at $6 \mathrm{mph}$ for 1 hr burns about 720 calories. The same person, walking at $4 \mathrm{mph}$ for $90 \mathrm{min}$, burns about 480 calories. (Source: FitSmart, USA Weekend, July $19-21,2002$ ) Suppose a 150 -lb person runs at $6 \mathrm{mph}$ for 75 min. How far would the person have to walk at $4 \mathrm{mph}$ in order to burn the same number of calories used running?
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