SOLUTION: Help with this half-life / log problem ? keeping in mind the equation C(t) = Co e ^ (r x t) it reads The average half-life elimination of Ambien would be calculated at app

Algebra ->  Logarithm Solvers, Trainers and Word Problems -> SOLUTION: Help with this half-life / log problem ? keeping in mind the equation C(t) = Co e ^ (r x t) it reads The average half-life elimination of Ambien would be calculated at app      Log On


   



Question 900919: Help with this half-life / log problem ?

keeping in mind the equation C(t) = Co e ^ (r x t)
it reads
The average half-life elimination of Ambien would be calculated at approximately 12.5 hours. If someone is given a standard dose of Ambien of 10mg/L, find a model that describes the concentration of the Ambien drug in the bloodstream. Round your answer to the nearest thousandth
My teacher helped me set up the equation
5 = 10e ^ (-r x 12.5)
you rearrange it
C = 10e ^ - ( r x t )
My question is, how do you find r and do the model they are asking for?
thank you

Answer by josgarithmetic(39620) About Me  (Show Source):