Independence is a condition of a nation, country, or state in which its residents and population, or some portion thereof, exercise self-government, and usually sovereignty, over the territory. The opposite of independence is the status of a dependent territory.
Depending on the state. If it's a four year federal sentence you will have to do 85% ,or they takeoff 54 days a year for good behavior. Most states abdopted the NERA Act for federal funding (No Early Release Act). Meaning if you're incarcerated for a violent crime you will be required to do 85% of your sentence.
According to the American College of Cardiology and the American College of Sports Medicine, good health really comes with 30 minutes of activity, at least 3-5 times a week. If you do the math, that means you'll need to fit in six daily sessions of 5 minutes apiece, or three daily bouts of 10 minutes apiece.