The diet of a patient who consumes 120 g of fat from eating 3000 kcal/day is 36% fat. Each gram of saturated fat has 9 calories, while each gram of unsaturated fat has only 4 calories.

Question

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Each gram of saturated fat, no matter which type, has 9 calories. Note that protein and carbohydrate each contain 4 calories per gram. To calculate the percentage of kilocalories from fat, multiply grams of fat by 9 kcal per gram of fat. Next, divide this result by the total number of calories consumed. In this case: Step 1) 120 g fat F1F1F1S1F1F1F10 9 kcal from fat per gram of fat = 1080 kcal from fat. Step 2) 1080 kcal from fat ÷ 3000 calories consumed = 36% kcal consumed from fat.

The Diet of a Patient Who Consumes 120 G of Fat