30 min=1 mile=100 ca: Walking for 30 minutes will burn about 100 calories, if you cover a mile, the average slice of pizza is 500 calories, so it takes 30 min x 5 or more than 2 hours, a single soda or glass of oj is 140 calories, or aboiut 35 minutes to walk off.
Answered 8/18/2013
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