Excercise 1- Energy Calculation

# Excercise 1- Energy Calculation - Exercise 1 Nandita...

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Exercise – 1 Nandita Pushpala 1. Mary is taking 300 grams of carbohydrate, 50 grams of protein, 40 grams of fat and 15 gram of alcohol. a. How many total calories is Mary taking? 300g X 4kCal= 1200 kCal 50g X 4 kCal= 200kCal 40X 9 kCal= 360 kCal 15g X 7kCal=105 kCal ___________________ Total= 1865 kCal b. What percentages of total calories come from… i. Carbohydrate= (1200/1865) X 100= 64.34% ii. Fat= (360/1865) X 100= 19.3% iii. Protein= (200/1865) X100= 10.72% 2. John is an athlete who eats 500 grams of carbohydrate and takes 5,000 kcals per day.
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Unformatted text preview: What percentage does carbohydrate contribute to his daily intake? [(500g X 4kCal) / 5000] X100= 40% 3. Calculate the carbohydrate intake in grams for Daniel who has a high carbohydrate intake (75 % of energy intake) and has a calorie intake, 2500 kcals. 75/100 = X/2500 X = 1875 Calories from carbohydrates 4. A student is taking 120 grams of carbohydrate for 2,000 kcals. What percentage does carbohydrate contribute to the daily intake? [(120g X 4kCal)/2000kCal ] X 100 = 24%...
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• Summer '14
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• Energy, total calories, daily intake, Food energy

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