Determine the amount of time required for 75% of Adderall to leave a person's system, provided that the person took a single dose of 10 mg and the half-life of Adderall is approximately 9 hours.

Question

Quizplus · Accepted Answer

For 75% of Adderall to leave a person's system, 25% of it must remain. Since the half-life of Adderall is 9 hours, it takes two half-lives (18 hours) for 75% of the drug to be eliminated and 25% to remain.

Determine the Amount of Time Required for 75% of Adderall