Question 980759:  Using the A = Pe^rt formula
 
The population of a town is presently about 25,000 people, and is growing at a rate of 3% peryear. How long will it take for the population to reach 40,000 people? 
 Answer by Alan3354(69443)      (Show Source): 
You can  put this solution on YOUR website! Using the A = Pe^rt formula
 
The population of a town is presently about 25,000 people, and is growing at a rate of 3% peryear. How long will it take for the population to reach 40,000 people? 
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40000 = 25000*e^(0.03t) 
e^(0.03t) = 40000/25000 = 1.6 
0.03t = ln(1.6) 
t = ln(1.6)/0.03 
t =~ 15.667 years 
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