Concept explainers
The percentage of drug released in the bloodstream t hours after being administered is affected by numerous variables including drug solubility and filler ingredients. For a particular drug and dosage, the percentage of drug released P is given by
represents 50% of the drug released.
a. Determine the percentage of drug released after 2 hr. Round to the nearest tenth of an hour.
b. How many hours is required for 75% of the drug to be released? Round to the nearest tenth of an hour.
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