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CALCULATE THE GROWTH RATE: Birth Rate = 10 Individuals Immigration = 20 Individuals Death Rate = 15 Individuals Emigration = 5 Individuals Growth Rate.

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Presentation on theme: "CALCULATE THE GROWTH RATE: Birth Rate = 10 Individuals Immigration = 20 Individuals Death Rate = 15 Individuals Emigration = 5 Individuals Growth Rate."— Presentation transcript:

1 CALCULATE THE GROWTH RATE: Birth Rate = 10 Individuals Immigration = 20 Individuals Death Rate = 15 Individuals Emigration = 5 Individuals Growth Rate is per 1,000 individuals. Express the annual growth rate as a percentage.

2 THE RULE OF 70 = DOUBLING TIME 70 divided by the annual percentage growth rate = doubling time of the population. Calculate the doubling time of the population from the last slide.

3 USE THE RULE OF 70  How long will it take a population to double if it has a 3 percent growth rate?

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