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11 October, 23:28

A meal contains 30 grams of carbohydrate, 10 grams of fat, and 5 grams of protein. How many calories did the meal provide

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  1. 12 October, 00:33
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    230 Calories

    Explanation:

    Carbohydrates are the primary source of energy in our body and 4 Calories of energy is provided by each gram of carbohydrates. So 30 gram of carbohydrates will produce;

    30 x 4 = 120 Calories

    Proteins also provide 4 Calories/gram.

    5 x 4 = 20 Calories

    Fats provide more energy than carbohydrates and proteins and 9 Calories of energy is provided by each gram of fat.

    10 x 9 = 90 Calories

    Totall energy produced by 30 grams of carbohydrates, 5 gram of proteins and 9 gram of carboydrates;

    120 + 20 + 90 = 230 Calories
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