What is the calorie value of a meal supplying 110g of carbohydrates, 30g of protein, 20 mg iron, 40g of fat, and 35g of alcohol? 755 1165 975 1280
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Carbohydrates and proteins both provide 4 calories per gram, fats provide 9 calories per gram, and alcohol provides 7 calories per gram. Iron does not provide calories, so it is not considered in the calorie calculation. Show more…
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The calorie count of a serving of food can be computed based on its composition of carbohydrate, fat, and protein. The calorie count $C$ for a serving of food can be computed using the formula $C=4 h+9 f+4 p,$ where $h$ is the number of grams of carbohydrate contained in the serving, $f$ is the number of grams of fat contained in the serving, and p is the number of grams of protein contained in the serving. Solve this formula for $h,$ the number of grams of carbohydrate contained in a serving of food.
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