Question

A 2.75 inch diameter raw apple contains 21 grams of carbohydrates and only trace amounts of fat and protein. Its caloric content is:

1) 31
2) 84
3) 147
4) 189

Answer 1

The caloric content of a 2.75 inch diameter raw apple with 21 grams of carbohydrates is 84 calories, calculated by multiplying the carbohydrate content by 4 calories per gram.

Step-by-step explanation:

The question is asking about the caloric content of a raw apple with a diameter of 2.75 inches, which contains 21 grams of carbohydrates. Based on the Atwater system, the caloric content of carbohydrates is 4 calories per gram. Therefore, the caloric content of an apple with 21 grams of carbohydrates can be calculated by multiplying the amount of carbohydrates in grams by the calories per gram for carbohydrates.

To find the caloric content: 21 grams of carbohydrates × 4 calories/gram = 84 calories. Thus, the correct answer is 84 calories, indicating option 2) is the correct choice.