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MATH HELP PLEASE?
A town has a population of 2,800 people on Jan 1, 2001 and is increasing by 5% every year. Estimate (to the nearest hundred) what the population will be on January 1, 2010?
THANK YOU SO MUCH
3 Answers
- PranilLv 77 years agoFavorite Answer
Number of years = 2010 – 2001 = 9 years
use compound interest formula
A = P( 1 + r/100)^N
= 2800(1 + 5/100)^9
= 4344
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- Anonymous7 years ago
You do 2800*1.05^9 = 4344 to nearest hundred 4300.
Or population(2800) *percentage increase per year(5% so 1.05)^number of years(9)
^ stands for to the power of
