SOLUTION: A towns population grows at the rate of 13% per year. If this grown rate remains how long will
It take the population to double. Round to the nearest tenth
Algebra.Com
Question 1028864: A towns population grows at the rate of 13% per year. If this grown rate remains how long will
It take the population to double. Round to the nearest tenth
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = the population at the start
Let = years it takes population to double
= the population after years
= yearly rate of increase
-------------------------------
The formula is:
Divide both sides by
Take the log of both sides
In 5.7 yrs the population will be
double what it started as.
---------------------------
check:
close enough
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