SOLUTION: A bacteria culture starts with 600 bacteria and after 3 hours there are 2400. Find the number of bacteria after 4 hours. When will the population of bacteria be 5000?

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Question 919733: A bacteria culture starts with 600 bacteria and after 3 hours there are 2400. Find the number of bacteria after 4 hours. When will the population of bacteria be 5000?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
Q(t) =Q[0]e^(kt)
2400/600 = e^(3k)
ln(4)/3 = k = .462
.......
Q(4) = 600e%5E%28.462%2A4%29
............
ln(5000/600)/.462 = t