A serving of food contains 25 g carbohydrate, 10 g protein, 8 g fat, 5 mg vitamin iron, and 4 ounces of water. Based on this information, a serving of this food supplies ___kcal.

Question

Quizplus · Accepted Answer

Carbohydrates provide 4 kcal/g, proteins provide 4 kcal/g, and fats provide 9 kcal/g. Therefore, the total kcal is (25g x 4) + (10g x 4) + (8g x 9) = 100 + 40 + 72 = 212 kcal.

A Serving of Food Contains 25 G Carbohydrate, 10 G