At the beginning of 2000 the population of the United States was 282 million people. At the beginning 2010 the population of the United States was 309 million people. Over that time period what was the average change in population per year?

A). 2.7 million people per year

Explanation:

From 2000 to 2010 is 10 years. Change in population in 10 years = population at the beginning of 2010 minus the population at the beginning of 2000. This is:

309 million -282 million = 27 million.

Therefore average change in population person year = 27 million/10 = 2.7 million per year

c

explanation:

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