http://www.latimes.com/food/dailydish/la-dd-gallons-of-water-to-make-a-burger-20140124-story.html http://www.latimes.com/food/dailydish/la-dd-gallons-of-water..

http://www.latimes.com/food/dailydish/la-dd-gallons-of-water-to-make-a-burger-20140124-story.html http://www.latimes.com/food/dailydish/la-dd-gallons-of-water... I've seen a lot of different numbers, most of them seem to be napkin math.