Question

A food contains 28 g carbohydrates, 2.7 g protein, and 0.3 g fats. How many calories does the food provide? 124 calories 125.5 calories 137.5 calories 264 calories

Answer 1

The answer to this question would be:

Both carbohydrate and protein will give 4 calories per gram while fat gives 9 calories per gram. Then, the amount of calorie of the food would be:
carbohydrate: 28g *4calories/gram= 112cal
protein: 2.7g *4calories/gram= 10.8cal
fat: 0.3 g * 9calories/gram= 2.7cal

Total calorie= 112+10.8+2.7= 125.5 calories