A sandwich you ate contained 20 grams of CHO, 32 grams of protein, and 10 grams of fat. What percentage of the kcalories in the sandwich came from protein?
A)27%
B)30%
C)43%
D)57%

Question

Quizplus · Accepted Answer

To find the percentage of calories from protein, first calculate the total calories: CHO (20g x 4 kcal/g = 80 kcal), protein (32g x 4 kcal/g = 128 kcal), fat (10g x 9 kcal/g = 90 kcal). Total kcal = 80 + 128 + 90 = 298 kcal. Percentage from protein = (128/298) x 100 = 43%.

A Sandwich You Ate Contained 20 Grams of CHO, 32