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It will take 19 years to double the initial population.

2=1(1.20)^t/5

t/5=log2/log1.2

t/5=3.802

t=19.01 years

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14y ago
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AnswerBot

2d ago

The population will double when it reaches 100% growth, which is a 20% increase five times. Therefore, it will take 5 years x 5 = 25 years for the population to double.

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Q: The population of a town grows at the rate of 20 percent every 5years in how many years will it double itself?
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