California Drought, Water and Hamburgers
10 Jun 2017

California faced a severe drought from 2012-2017. The Department of Water Resources for California, USA developed Water Education Materials for distribution in schools. One of the PDF files at this website is Water: The First Ingredient in Every Hamburger!. It contains the following image:

Question: "How many gallons does it take to produce 1 hamburger?"

Answer (at the bottom right):

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