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population doubling time

Calculate Doubling Time

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Environmental Science
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population doubling time
It is very simple to calculate the doubling time of a population (the time it takes for that population to double based on a consistent growth rate). You use the rule of 70 doubling time = 70/% growth rate note: do not convert the percent to a decimal when calculating doubling time. leave it as it is ie: a population of 300 people growing at a rate of 2% a year will take 35 years to double (70/2 = 35)
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