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8 January, 10:49

A food product contains 15 g of carbohydrates, 5 g of protein and 4 g of fat. How many calories are in one serving of this product?

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  1. 8 January, 11:08
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    Answer: 116 calories of energy

    Explanation:

    A calorie is a non-standard unit of energy.

    On combustion,

    1 gram Carbohydrates = 4 calories,

    1 gram protein = 4 calories,

    1gram fat = 9 calories.

    Therefore,

    15 grams of carbohydrates = (15*4) = 60

    5 grams of protein = (5*4) = 20

    4 grams of fats = (4*9) = 36

    Then add up: 60 + 20 + 36 = 116 calories of energy
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