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What food averages 40 calories?

Updated: 8/19/2019
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13y ago

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Carbohydrates and proteins contain 4 calories (kilocalories) per gram, and fats contain 9 calories per gram. A food with 40 calories may be any food with 10 grams of protein and/or carbohydrates and no fats, or with 4 and a half grams of fat and no carbohydrates or proteins, or any combination of fats and proteins/carbohydrates according to the equation

40 = 9F + 4C

where F equals number of grams of fat, and C equals number of grams of carbohydrates and proteins.

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13y ago
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Q: What food averages 40 calories?
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