Description
A grey squirrel population was introduced in a certain county of Great Britain 35 years ago. Biologists observe that the population doubles every 7 years, and now the population is 80,000.
Estimate the squirrel population 10 years from now.
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Explanation & Answer
Let g be the growth rate
x(1+g)7 =2x
or
(1+g)7 =2
g= 21/7-1= 0.104089514
After 10 years , 80000(1.10409)10 =80000* 2.691800385= 215344
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