1 answer
(click or scroll down)
b) 0.74^2 times x
After 2 hours: 0.74^2 * x = 0.5476x
After 4 hours: 0.74^4 * x = 0.304024576x
So, after 4 hours, there will be approximately 0.304x milligrams of antibiotic in the patient's bloodstream.