SOLUTION: How do you solve the word problem "For a certain strand of bacteria, k is .8721 when t is measured in days. How long will it take 15 bacteria to increase to 845 bacteria?

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Question 973062: How do you solve the word problem "For a certain strand of bacteria, k is .8721 when t is measured in days. How long will it take 15 bacteria to increase to 845 bacteria?
Answer by josgarithmetic(39629) About Me  (Show Source):
You can put this solution on YOUR website!
P=P%5Bo%5De%5E%280.8721t%29

P=845
P%5Bo%5D=15
Find t

Take logarithms, base e, of both sides and solve for t, either before or after substituting the other given values.