By going on a diet.
There is no safe way to lose that amount of weight in that time frame. 2-3 lbs is about the most you can safely lose in a week. If you managed to lose 10lbs in 8 days most of it would be water weight and would come back very quickly.
It is not advisable to lose 40 pounds in only 17 days. You can lose weight fairly quickly by exercising at least 30 minutes per day and eating healthy foods.
If he runs for 2 hours continuously
By Exersizing and drinking water everyday you could lose 10 pound a week!
To lose 60 pounds quickly, one could go out with his/her friend, have a good meal in a good restaurant and after that visit a museum or go to a theme park and get on some rides.
There is not a safe way to lose that much that quickly. You didn't gain it that quickly, you can't lose it that quickly. In the first week you begin to exercise you should lose up to ten pounds, then every week after that you should lose 2-3 pounds, anything more is unhealthy, p.s. most diet pills contain afedrin, the main ingredient used to make speed
Exercise and diet for about 5 years :)
starve yourself
You are at a very normal weight. There would be no need to lose weight.
Not to sound crude, but the only real way you can lose pounds in 20 mins is to go to the toilet, losing either water or other weight. An alternative to this is going to a casino in Britain. It'd be pretty easy to lose pounds quickly there :)
Healthily, a person lose lose 2 or 3 pounds a week. Under the watch of a nutritionist or trainer, they can healthiy lose 5 to 8 pounds a week.
I think they say with diet and excercise you should be able to lose at least 2 pounds a week. I would say that at 210 you should be able to drop 10-15 pounds rather quickly. Depending on height, age and sex. Women tend to lose weight slower and the older you get the harder it is to lose. For a quick answer without any other info I would say 10-20 pounds. No alcohol either!! I think they say with diet and excercise you should be able to lose at least 2 pounds a week. I would say that at 210 you should be able to drop 10-15 pounds rather quickly. Depending on height, age and sex. Women tend to lose weight slower and the older you get the harder it is to lose. For a quick answer without any other info I would say 10-20 pounds. No alcohol either!! Another view: can you convert that into kilograms...i don't know how much pounds are!! :(