McDonalds big mac contains 44g of carbohydrates, 36g of fat and 37 g of protein. what...
McDonalds big mac contains 44g of carbohydrates, 36g of fat and 37 g of protein. what is the percentage of energy derived from each one (carbohydrates, fat, and protein)?
please show all work.
Homework Answers
A healthy man in a day will need 2500kcal /day as a standard recommended intake
Given
Carbohydrates :44 g
(As 1 g of carbohydrate =4calories, then 44g=176 calories _44×4 )
Divide it by total calories and multiply by 100
=176÷2500×100
=7.04% or 7 % of carbohydrates
Protein:37g
(As1 g of protein =4calories, then 37g=148 calorie )
Divide it by total calories and multiply by 100
=148÷2500×100
=5.92% or 6% of protein
Fats:39 g
(As 1g fat =9 g ,then 39g=351 calories )
Divide it by total kcal and multiply by 100
=351÷2500×100
=14.04% or 14% of fat
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