Looking for some algebra help in figuring out this particular problem below,
In 1970, 11.0% of Americans ages 25 and older had completed four years of college or more. On average, this percentage has increased by approximately 0.5 each year.
a. formula for the nth term of the arithmetic sequence that models the percentage of Americans ages 25 and older who had or will have completed four years of college or more n years after 1969.
b. Use the model from part (a) to project the percentage of Americans ages 25 and older who will have completed four years of college or more by 2019.