SOLUTION: Rock music accounted for 33.5% of the total sales of recorded music in 1997, and 27.4% of the total sales of recorded music in 2002. Find the average rate of change of the percenta

Algebra ->  Finance -> SOLUTION: Rock music accounted for 33.5% of the total sales of recorded music in 1997, and 27.4% of the total sales of recorded music in 2002. Find the average rate of change of the percenta      Log On


   



Question 1019795: Rock music accounted for 33.5% of the total sales of recorded music in 1997, and 27.4% of the total sales of recorded music in 2002. Find the average rate of change of the percentage of sales of rock music from 1997 to 2002.
Round to the nearest hundredth of a percent. Note that the percentage sign is already given in the answer, so you do not need to enter it.
The average rate of change is ????% per year.

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
Change/number of years = the average rate of change of the percentage of sales of rock music from 1997 to 2002. Jan 1, 1997 to Jan I, 2002 = 5 years
33.5%-27.4% = 6.1%/5 = 1.22%