SOLUTION: If the population of bacteria doubles every 30 min,how long would it take for the population to triple.

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: If the population of bacteria doubles every 30 min,how long would it take for the population to triple.       Log On


   

Question 376081: If the population of bacteria doubles every 30 min,how long would it take for the population to triple.
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
F = P*2^t F = Future, P = Present, t = 30 min periods
3P = P*2^t
3 = 2^t
log(3) = t*log(2)
t = log(3)/log(2)
t =~ 30*1.58496
t =~ 47.548875 minutes