Estimate the total calories in a slice of bread that has 9.0 g of carbohydrates, 2.0 g of protein, and 1.0 g of fat. What percentage of total calories is from fat?
If 4.0kcal/g for proteins and carbohydrates
If 9.0kcal/g for fats
1 kcal = 1 Cal = 1000 cal = 4.18 J© BrainMass Inc. brainmass.com October 9, 2019, 7:41 pm ad1c9bdddf
In a slice of bread:
The calories from the carbohydrates are:
4.0 kcal/g * 9.0g = 36 ...
The solution calculates the total calories in a slice of bread.