First off, see a doctor, seriously, you need medical attention of you are that overweight at 15.
Secondly, it's really rather simple, EXERCISE! You should be doing around 5 hours a week, if not more in order to be able to eat 2000 calories a day without gaining weight, talking of which, restrict faithfully if you want to see results, avoid 'fatty' foods such as crisps, chocolate and fried foods and instead go for fruit, veg, lots of water and good carbs like brown rice and oats.
No way to do it. You can lose 1-2 pounds a week.
the best way to lose some pounds is to exercise and watch your diet and calories. also do not drink sodas or even diet it still packs on the pound try water it is the best .
You might want to rephrase your question, but to lose one pound, you must lose one pound. Every 3500 calories is one pound.
The best way would be through diet and exercise.
the best way to lose a couple of pounds is to spend it on coffee.
* yes about 5 pounds This is wrong. There are 3500 calories in a pound. You must "lose" 3500 calories through diet or exercise to lose 1 pound. It would take a reduction of 17,500 calories to lose 5 pounds.
There are many people that can lose a pound of weight every day but it is not healthy to do so. Losing one to two pounds a week is a good amount to lose.
Fasting
Yes.
you will lose about 5 pounds. Because for every 3400 calories you burn it is a pound, so take 17500 and divide it by 3400
By Exersizing and drinking water everyday you could lose 10 pound a week!
there are 3,500 calories in a pound so times that by 23 and your answer is80,500