document.write( "Question 163491: Please help me with the following problem:\r
\n" ); document.write( "\n" ); document.write( "Joe’s Used Cars sold 50 cars in 1999. In 2004 they sold 180 cars.
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\n" ); document.write( "Find the average rate of change in cars sold from 1999 to 2004.\r
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Algebra.Com's Answer #120438 by gonzo(654)\"\" \"About 
You can put this solution on YOUR website!
in 1999 he sold 50
\n" ); document.write( "in 2004 he sold 180
\n" ); document.write( "change in number of cars sold is 180 - 50 = 130.
\n" ); document.write( "change in number of years is 2004 - 1999 = 5
\n" ); document.write( "change in number of cars sold per year is 130 / 5 = 26
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