Select the correct answer.

Question

How many calories of energy will 20 grams of carbohydrates provide if 1 gram provides 4 calories?
A.
80 calories
B.
100 calories
C.
200 calories
D.
240 calories

Answer 1

To find out how many calories of energy 20 grams of carbohydrates will provide, you can use the conversion factor that 1 gram of carbohydrates provides 4 calories.

Calculating the total calories: \( 20 \text{ grams} \times 4 \text{ calories/gram} = 80 \text{ calories} \)

So the correct answer is: A. 80 calories