SOLUTION: Hi I just asked this question to Stan, but states that the formula wasn't posted. I checked my assignment and thats all the teacher gave me. Should I email her questioning this, I

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Question 149935: Hi I just asked this question to Stan, but states that the formula wasn't posted. I checked my assignment and thats all the teacher gave me. Should I email her questioning this, I don't want to correct her because I feel she gets mad. But here it is again the problem and what I need help on
Problem: The level of a prescription drug in the human body over time can be found using the formul: where D is the amount taken every n hours and H is the drug’s half-life in hours.
1.If 2.5 milligrams of Lorazepam with a half-life of 14 hours is taken every 24 hours, then to what level does the drug build up over time?
2. If a doctor wants the level of Lorazepam to build up to a level of 5.58 milligrams in a patient taking 2.5 milligram doses, then how often should the doses be taken?
3.What is the difference between taking 2.5 milligrams of Lorazepam every 12 hours and taking 5 milligrams every 24 hours?
4.Please explain the steps to solve this and what mathematical concepts are being applied


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Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
I don't know if this helps, but here is a solution to the same problem (with a formula listed)


http://www.algebra.com/algebra/homework/word/misc/Miscellaneous_Word_Problems.faq.question.149823.html