If a total of 2000 kcal were consumed (250 grams of carbohydrates, 66 grams of fat, and 102 grams of protein) , what percentage of energy comes from carbohydrates, fat, and protein?
A) 30% carbohydrate, 50% fat, and 20% protein
B) 50% carbohydrate, 35% fat, and 15% protein
C) 20% carbohydrate, 30% fat, and 50% protein
D) 50% carbohydrate, 30% fat, and 20% protein 250 g carbohydrates x 4 kcal/g = 1000 kcal from carbohydrates / 2000 total kcal = 0.50 = 50% of kcal from carbohydrates
66 g fat x 9 kcal/g = 594 kcal from fat / 2000 total kcal = 0.297 = 30% of kcal from fat
102 g protein x 4 kcal/g = 408 kcal from protein / 2000 total kcal = 0.204 = 20% of kcal from protein
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