Calorie Content of Macronutrients
Fat: 9 calories per gram
Protein: 4 calories per gram
Carbohydrates: 4 calories per gram
Alcohol: 7 calories per gram
Please answer the following questions. You may refer to the internet and your textbook for assistance. Show all work.
1) How many calories are coming from protein only in the Quarter pounder? What about carbs and fat separately?
A) Total calories from protein in Quarter Pounder (with cheese) = 264 calories
Calculation based on the nutritional values from mcdonalds.com
Weight of one Quarter Pounder = 220 grams
Protein content in 100 grams of Quarter Pounder = 30 grams
Protein content in 220 grams or one Quarter Pounder = 220 * 30/100 = 220 * 30/100 = 66 grams
As per the calorie content of macronutrients given in the question, one gram protein has 4 calories
Therefore, total calories from protein in a Quarter Pounder = 66 * 4 = calories = 264 calories
B) Total calories from carbs and fat separately in a Quarter Pounder
Total calories from fat in a Quarter Pounder = 495 calories
Total calories from carbs in a Quarter Pounder = 369.6 calories
Calculation based on the nutritional values from mcdonalds.com
Weight of one Quarter Pounder = 220 grams
Total fat content in 100 grams of Quarter Pounder = 25 grams
Total fat content in 220 grams or one Quarter Pounder = 220 * 25/100 = 220 * 0.25 = 55 grams
As per the calorie content of macronutrients given in the question, one gram fat has 9 calories
Therefore, total calories from fat in a Quarter Pounder = 55 * 9 = 495 calories
Carb content in 100 grams of Quarter Pounder = 42 grams
Carb content in 220 grams or one Quarter Pounder = 220 * 42/100 = 220 * 0.42 = 92.4 grams
As per the calorie content of macronutrients given in the question, one gram of carbohydrates has 4 calories
Therefore, total calories from carbs in a Quarter Pounder = 92.4 * 4 = 369.6 calories
How many calories are coming from protein only in the Quarter pounder?
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