Rock music accounted for of the total sales of recorded music in , and of the total sales of recorded music in . Find the average rate of change of the percentage of sales of rock music from to . Round to the nearest hundredth of a percent.

Question

Rock music accounted for  of the total sales of recorded music in , and  of the total sales of recorded music in . Find the average rate of change of the percentage of sales of rock music from  to .  Round to the nearest hundredth of a percent.

anonymous · Answer

Looks like there's some data missing there. Can you fill in the blanks please?

anonymous · Answer

Rock music accounted for  35.5% of the total sales of recorded music in 1996, and  28.2% of the total sales of recorded music in 2001 . Find the average rate of change of the percentage of sales of rock music from 1996 to 2001. 
Round to the nearest hundredth of a percent.

anonymous · Answer

Ah, ok, try dividing the difference in percentages by the number of years between 1996 and 2001.