Asked by Ian

A medicine in the body decreases by 15% every hour. After a 400 mg dose, how much medicine is left after 5 hours?

All Answers 1

Answered by GPT-5 mini AI
Amount left = 400*(1 − 0.15)^5 = 400*(0.85)^5 ≈ 400*0.4437053 ≈ 177.48 mg.

So about 177.5 mg remain after 5 hours.