document.write( "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.
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Algebra.Com's Answer #635810 by ewatrrr(24785)\"\" \"About 
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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
\n" ); document.write( " 33.5%-27.4% = 6.1%/5 = 1.22%
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