Answer :
Final answer:
It would take John 24 weeks to lose 12 lbs with a 1000 kcal deficit per day.
Explanation:
To calculate the number of weeks it would take John to lose 12 lbs with a 1000 kcal deficit per day, we need to determine the total calorie deficit needed to lose 1 lb. It takes a deficit of 3500 calories to lose 1 lb of body weight. With a 1000 kcal deficit per day, John would be creating a calorie deficit of 7000 kcal per week (1000 kcal x 7 days = 7000 kcal). So, it would take John 2 weeks to lose 1 lb (7000 kcal / 3500 kcal = 2 weeks). Therefore, to lose 12 lbs, it would take John 24 weeks (2 weeks x 12 lbs = 24 weeks).
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