You Are What You EatLetter Equations are well known phrases or facts where the key words have been replaced with the first letter of that word. These are often in the form of an equation, which contain a number, an = sign and the rest of the obscured phrase or fact.
9 = C in a G of F
HintThis formula can be helpful if you are concerned about a healthy diet. Two related formulas are:
4 = C in a G of P
4 = C in a G of C
Answer9 = Calories in a Gram of Fat
20g of potato chips have about 100 calories and 6 grams of fat. 6 grams of fat times 9 calories per gram equals 54 calories, thus you are getting 54% of the calories from fat. For a healthy diet, it is recommended that you get about 20% of calories from fat.
Protein and carbohydrates do not provide as many calories:
4 = Calories in a Gram of Protein
4 = Calories in a Gram of Carbohydrates
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