SOLUTION: A certain city's population currently is 80,000. City leaders anticipate the population in future years can be predicted by the equation P(t)=80000(1.03)^t. When will the populatio

Algebra ->  Logarithm Solvers, Trainers and Word Problems -> SOLUTION: A certain city's population currently is 80,000. City leaders anticipate the population in future years can be predicted by the equation P(t)=80000(1.03)^t. When will the populatio      Log On


   

Question 373788: A certain city's population currently is 80,000. City leaders anticipate the population in future years can be predicted by the equation P(t)=80000(1.03)^t. When will the population reach 200,000 or more?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
80000%281.03%29%5Et%3E=200000
%281.03%29%5Et%3E=5%2F2
t%3E=log%281.03%2C%285%2F2%29%29 or approximately,
t%3E=30.99891
We can round up to 31 years.