Question

At a fast-food restaurant, a hamburger contains 37 g of carbohydrate, 19 g of fat, and 24 g of protein. What is the total energy content, in kcal? Report your answer with 2 significant figures, do not use scientific notation.
[a] kcals

Answer 1

37 g of carbohydrate, 19 g of fat, and 24 g of protein.
Carbs have 4 kcal/g
Fat has 9 kcal/g
Protein has 4 kcal/g
(37 x 4) + (19 x 9) + (24 x 4) = ? kcal