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NeTakaya
3 years ago
11

A town has a population of 6000 and grows at 3.5% every year. To the nearest year, how long will it be until the population will

reach 7100?
Mathematics
1 answer:
kotykmax [81]3 years ago
7 0

Answer:

5 years.

Step-by-step explanation:

Every year the population increases by a factor 103.5% or  1.035.

The equation relating population and time in years is:

P = 6000(1.035)^t  (This is an example of  exponential growth)

So we have:

7100 = 6000(1.035)^t

(1.035)^t = 7100/6000

(1.035)^t = 1.1833

t ln 1.035 = ln 1.1833

t = ln 1.1833/ln 1.035

= 4.89.

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