Question

In 1979, the number of high school dropouts in a country was 5212 thousand. By 2008, this number had decreased to 3122 thousand. Find and interpret the average rate of change per year in the number of high school dropouts.

Answer 1

Average rate of change = (change in number of dropouts)/(change in time) = (3,118,000 - 5,217,000)/(2003 - 1875) = -16,398.4375 The number of high school dropouts decreased at the average rate of approximately 16,398 students per year from 1875 to 2003.

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