Hard to answer such a specific question. It is very hard to determine exact values, but with a proper diet, you can expect anywhere from 3 to 5 pounds in the best case scenario. This of course assuming that your diet would go under perfect, ideal conditions.
I need to lose 18 pounds, how long will it take
http://www.everydiet.org/diet/18-pounds-in-4-days This site gives you information on how you can lose 18 pounds in 4 days. However this is never a good idea to attempt and losing weight should be a longer process then four days for it to be healthy for you.
You cannot lose 18 lbs. naturally in 4 days, it is just not healthy. The only way that one could lose this amount of weight would be through surgery.
do lots of excersice you may weight more because your muscles will weight more but the fat will go away
It is improbable to 18 lbs in 4 days, but not impossible. The question is, is it safe. If you were to even lose 18 lbs in 4 days it would have to be all water weight, you could not lose that much fat in the shirt amount of time. Here is a website that you may use as a guideline for quick water weight loss. http://www.everydiet.org/diet/3-day-diet
No.
You'll lose your license for 90 days.
It won't matter to you because you'll be dead.
112 pounds is a good weight for a 5' 6" 18-year old male. They should not lose much more weight than this.
Babies can lose weight as they are not eating enough .. when i was born i weighed 4lbs 10 oz and then about a week after i weighed 4lbs 6 oz
At 164 centimeters and 52 kilograms, your BMI is 19.3. In order for your BMI to be 18, you will need to weigh approximately 48.5 kilograms, which means you need to lose 3.5 kilograms.
18 kilograms is about 39.7 pounds.
18 pounds