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Math Help - If some one wants to reduce their weight by 13 kg how long will it take them.

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    If some one wants to reduce their weight by 13 kg how long will it take them.

    Person A has 3000 kcal per day and reduces it to 2000 kcal he needs to loose 13 kg how long will it take him to loose the weight. ( Approx 7,716 kcal = 1kg.)
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    Quote Originally Posted by not good at maths 1 View Post
    Person A has 3000 kcal per day and reduces it to 2000 kcal he needs to loose 13 kg how long will it take him to loose the weight. ( Approx 7,716 kcal = 1kg.)
    Do you have an answer key?
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    Senior Member euclid2's Avatar
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    Quote Originally Posted by not good at maths 1 View Post
    Person A has 3000 kcal per day and reduces it to 2000 kcal he needs to loose 13 kg how long will it take him to loose the weight. ( Approx 7,716 kcal = 1kg.)
    I am not confident in this answer. I'll give it a go.

    Well he is losing 1000 calories a day, each of those 1000 of each day representing a fraction of the 7716 he needs to lose to lose 1 pound.
     \therefore 3000-2000=1000 7716/1000= 7.716 days which is how many days it takes to lose 1 kg, now how long does it take to lose 13kg?
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