Solved: The bar graph shows changes in the percentage of college graduates for Americans
Chapter 8, Problem 62(choose chapter or problem)
The bar graph shows changes in the percentage of college graduates for Americans ages 25 and older from 1990 to 2010. Exercises 6162 involve developing arithmetic sequences that model the data. Percentage of College Graduates for Americans Ages 25 and Older 5% Male Female 10% 15% 20% 25% 30% 35% Percentage Graduating from College 1990 Year 2010 24.4 18.4 30.3 29.6 Source: U.S. Census Bureau In 1990, 24.4% of American men ages 25 and older had graduated from college. On average, this percentage has increased by approximately 0.3 each year. a. Write a formula for the nth term of the arithmetic sequence that models the percentage of American men ages 25 and older who had graduated from college n years after 1989. b. Use the model from part (a) to project the percentage of American men ages 25 and older who will be college graduates by 2019.
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