Problema Solution
Pittsburgh's poplation decreased approximately linearly from about 370 thousand people in 1990 to about 306 thousand people in 2010. Find the average rate of change of the population of Pittsburgh per year? round your answer to two decimal places
Answer provided by our tutors
the average rate of change = the change in population / the change in years
the average rate of change = (360 - 306)/(2010 - 1990)
the average rate of change = 54/20
the average rate of change = 27/10
the average rate of change = 2.7