SOLUTION: Help with exponential functions homework The population of a town has grown at an annual rate of approximately 2.7%. How long will it take for its population of 18 450 people to

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons -> SOLUTION: Help with exponential functions homework The population of a town has grown at an annual rate of approximately 2.7%. How long will it take for its population of 18 450 people to      Log On


   

Question 1138650: Help with exponential functions homework
The population of a town has grown at an annual rate of approximately 2.7%. How long will it take for its population of 18 450 people to double at this growth rate?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
+P+=+P%5B0%5D%2A%28+1+%2B+.027+%29%5Et+
+2%2A18450+=+18450%2A1.027%5Et+
+2+=+1.027%5Et+
Take the log of both sides
+.30103+=+t%2A.01157+
+t+=+26.018+
About 26 yrs