A serving of raisins contains 134 calories and 27 grams of carbohydrate. If raisins are a fat-free food, how much protein is provided by this serving of raisins?
To get to 134 total calories, use the 4-9-4 rule: 0 fat x 9 calories = 0 calories 27 carb x 4 calories = 108 calorie ? protein x 4 calories = 26 calories (134-108)