A few days ago
the population of a city was 35,000 in 1996, and it grows at an annual rate of 8%?
the population of a city was 35,000 in 1996, and it grows at an annual rate of 8%?
a)how long will it take for the population to double at this rate?
b) if the growth arte changes in 2007, what will the estimated population be in 2015
Top 4 Answers
A few days ago
Favorite Answer
a) (1.08)^n = 2, so n ln(1.08) = ln(2), and n = ln(2)/ln(1.08) = 9, so 9 years.
b) (1.08^10)*(1.065^9)*35000 = 133,184
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A few days ago
a) Multiply the population by .08 then add the product to the population
9 years, 11 months, 3 weeks
b) multiply the population by 6.5% (or .065) then add the product to the population.
116, 500
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A few days ago
a.)
35000*(1+.08*x)=65000, now solve for x and you got answer
b) not enough information, because we dont know what the rate changes to
0
A few days ago
a) About 9.5 years
b) Unable to answer without new growth rate
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