Question

Food Fat* Carbohydrates* Protein*
Beef 21 2 21
Bread 2 40 7
Celery 0 3 0
Chicken 11 5 29
*Grams of molecule per 100 grams of food


Calories per gram of food molecules:
��������� Carbohydrates: 1 gram = 4 calories
��������� Fat: 1 gram = 9 calories
��������� Protein: 1 gram = 4 calories
��������� Nucleic Acids: 1 gram = 4 calories (rarely broken down for energy)

Formula for expected calories in a food (nucleic acid content is negligible):

Total Expected Calories of sample =
(grams of sample/100 grams x grams of fat per 100 grams of food x 9 calories) +
(grams of sample/100 grams x grams of carbohydrates per 100 grams of food x 4 calories) + (grams of sample/100 grams x grams of protein per 100 grams of food x 4 calories).


Based on all the info above, i need to calculate the expected calories for a sample of carbohydrates that has 40 calories, a sample of fat that has 89 calories, a sample of protein that has 4o calories, and a sample of nucleic acid that has 41 calories.

Any help at all is so appreciated!!!