what was the averarage population if 1980 the population was 6.8 million and 1992 it was 9.9 million

1980 population was 6.8 million and 1992 the population went to 9.9 miilion find the average polulation
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1 Answer

The average population was (6.8+9.9)/2=16.7/2=8.35 million.

The average population growth was (9.9-6.8)/(1992-1980)=3.1/12=0.26 million per year approx.

The average growth rate was 0.26/8.35×100=3.1%.

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