You need to include a little bit more information than that. How much do you weigh now? What percentage of your weight is body fat? (check your BFP) Are you a man or a Woman? How old are you? All these variables can change your answer.
By excising more everyday.
The length of time it will take to lose 20 lbs. depends on the amount of calories you take in and how active you are. At 5'1 and 120 pounds it will take approximately two to three months.
If you starve yourself, you could die before you lose the 20 pounds. Weight loss is achieved best by balanced diet and lots of exercise.
We can lose weight as per our needs but it is always recommended to give 10 weeks of time to cut down the 20 pounds. By following extreme weight loss methods we can lose 20 pounds in 2-3 weeks also but it's not at all healthy.
The only way to lose 20 pounds in a month is to have mom or dad take you to the doctor for professional help.
If you can find a good diet then you lose 2 pounds a week in for the first 4 weeks then it slows to 1 pound a week. So it will take roughly 20 weeks.
You cannot lose 20 pounds of body weight in one day.
it will take around 20 weeks at 2 pound a week which is the remented amount to lose a week , however at the start of a diet you will must likely lose 5 pound which will be most water weight so around 18.5 weeks to lose 40 pounds
It's impossible to lose 20 pounds in overnight. Nutritionists are always recommending 2 pounds of weight loss in 7 days, according these levels it is always recommended to lose 20 pounds in 10 weeks.
depends. it can take anywhere from 1-5 months
This completely depends on other aspects, such as current weight, current fitness level and what tye of diet you are going to use. But, being 43, it could take slightly longer to lose 20 pounds, as oppose to a 23 year old:)
In theory, about 20 to 25 months. Any faster weight loss can weaken the heart.