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Mathematics 13 Online
OpenStudy (anonymous):

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.

OpenStudy (anonymous):

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

OpenStudy (anonymous):

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.

OpenStudy (anonymous):

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

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