The certain drug developed to fight cancer has the half-life of about 2 hours in blood stream. Drug is formulated to be administered in doses of D milligrams every six hours. Amount of each dose has yet to be determined.
i. What fraction of first will be left in bloodstream before second dose is administered?
ii. how much of drug will be in bloodstream after second dose is administered? eight hours after first dose? 10 hours after first dose? Before third dose is administered?