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1 November, 07:36

Mary consumes approximately 1800 kcalories per day. If she wants to consume 15% of her kcalories from protein, approximately how many grams of protein would she need each day?

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  1. 1 November, 07:45
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    67.5 grams of protein per day

    Explanation:

    The total calories consumed by Mary per day = 1800 kcalories

    The calories she wants to consume = 15% of her calories = 0.15 * 1800

    = 270 kcalories

    now,

    1 gram of protein contains 4 kcalories of energy

    or

    1 kcalories of energy = (1/4) of protein

    thus,

    270 kcalories of energy = (1/4) * 270 = 67.5 gram of proteins

    Thus,

    Mary would need 67.5 grams of protein per day
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