Sandra ate about 2,000 calories yesterday. She was not feeling well, so she laid around and watched TV all day and burned 1,200 calories. If Sandra did this all week, she would __________.

Sandra takes in about 2,000 calories but burns only 1,200, leaving a surplus of 800 calories each day. If that pattern continued all week, the extra energy would be stored, so she would gain weight. This is not a state of energy balance, which would require calories consumed and calories burned to be about equal.

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