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Home Q & A Board Science-Related Homework Help Health, Nutrition, and Food Sciences
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Actomik Actomik
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6 years ago
One recent Sunday morning you ran a 10 km run. To replenish your energy following the run, you drank a bottle of water and ate an energy bar that provided 261 kcal, including 44 grams carbohydrate and 5 grams fat. What is the approximate number of grams of protein you consumed at the end of the run?
Textbook 
Nutrition: A Functional Approach, Canadian Edition

Nutrition: A Functional Approach, Canadian Edition


Edition: 3rd
Authors:
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#1
6 years ago
For carbohydrate:
44 g × 4 kcal /g = 176 kcal from carbohydrate

For fat:
5 g × 9 kcal /g = 45 kcal from fat

Total kcal: 261 kcal
Total kcal from carbohydrates and fat: 221 kcal

261 kcal - 221 kcal = 40 kcal for protein

For protein:
40 kcal / 4 kcal/g = 10 grams of protein
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