It depends on how much you want to lose, what your diet is like, and how much exercise. Remember that you DO need food though :)
About 275 pounds
This will depend on your height but if you are reasonably small in height and weigh this much at 9 then yes, weight-loss would be acceptable.
I think you might be cultivating an eating disorder....Why on earth would you want to weigh 80 pounds?
The key to weight loss is exercise and a good diet. The first step in any weight loss program is to get help from a medical professional.
It is possible to lose five pounds in a week, but most weight loss experts recommend a maximum loss of 2 pounds per week. Fast weight loss sends the body into starvation mode, which actually slows weight loss over the long term. A weight loss of 5 pounds requires a calorie deficit of 17,500 calories. This is difficult to achieve in one week.
weigh loss of 20 pounds
it can take as long as two days or two weeks it depends on what you are doing to lose weight
u would have to loss 25 pounds a mouth which is 87,500 calories a mouth u would have to loss 25 pounds a month which is 87,500 calories a month
I've only heard about people losing that kind of weight through either gastric-bypass surgery or some other invasive weight-loss procedure. Perhaps, you might consider joining Weight Watchers for a better, safer, and more effective weight loss.
We have extreme weight loss methods for fast weight loss; by these methods we may loss nearly 10 pounds in a week. One of those methods is cabbage soup diet, in this diet the person has to consume the foods which made by only cabbage. This method is good for an instant weight loss; we shouldn't expect long lasting weight reduction. Basically 2 pounds of weight loss is recommended for 7 days, here you asked tips to lose 30 pounds in 45 days which is unhealthy. Choose the best diet plan which is suitable for you.
If you want to loss weight do not use weight loss pills. You can either swim,play baseball,play basketball or do any sport.But do that sport for an hour every day for a month and eat healthy food. I used to be 140 pounds but I went swimming an hour for a month and now I am 115 pounds.It is amazing.It really does work. If you want to loss weigh do this!!!!!
Maybe 5 to 10 pounds, but this is dangerous. I suggest you not do this on your own. See a doctor for a sensible weight loss plan.