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Robert walked on a treadmill at a speed 2.5 mph and a grade of 10% for...

Robert walked on a treadmill at a speed 2.5 mph and a grade of 10% for 40 minutes. How many kilocalories did he expend?

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Answer #1

Robert walked on the treadmill for 40 minutes or 2/3 hours at a speed of 2.5 miles per hour or roughly 4 kilometers per hour. Therefore, the total distance he walked is 4 x 2/3 which is equal to 1.7 kilometers.

The grade of the treadmill or slope of the treadmill belt is 10 percent. considering the weight of Robert as average 70 kgs, the calories burnt will be 320 kilocalories.

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