select the correct answer.\na food contains 1.1 grams carbohydrates, 13 grams protein, and 11 grams fats…

select the correct answer.\na food contains 1.1 grams carbohydrates, 13 grams protein, and 11 grams fats. how many calories does the food provide?\na. 105.9 calories\nb. 143 calories\nc. 155.4 calories\nd. 220.4 calories
Answer
Explanation:
Step1: Calculate calories from carbohydrates
Carbohydrates provide 4 calories per gram. So for 1.1 grams of carbohydrates, the calorie - count is $1.1\times4 = 4.4$ calories.
Step2: Calculate calories from protein
Protein provides 4 calories per gram. For 13 grams of protein, the calorie - count is $13\times4=52$ calories.
Step3: Calculate calories from fats
Fats provide 9 calories per gram. For 11 grams of fats, the calorie - count is $11\times9 = 99$ calories.
Step4: Calculate total calories
Add up the calories from carbohydrates, protein, and fats: $4.4 + 52+99=155.4$ calories.
Answer:
C. 155.4 calories