If a country's population growth rate is 5 percent what is the country's doubling time

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04-04-2018
Mathematics

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If a country's population growth rate is 5 percent what is the country's doubling time

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wolf1728 wolf1728 · Answer 1 · 2018-04-04T07:07:03+02:00

wolf1728 wolf1728

04-04-2018

We will use this formula:
Time = log(ending amount / beginning amount) ÷ log (1 + rate)

For the purpose of this problem we'll say the population grows from 100 to 200.

Time = log (200 / 100) / log (1.05)
Time = log (2) / log (1.05)
Time = .30102999566 / 0.02118929907
Time = 14.207 years

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