document.write( "Question 159987: The enrollment at a school in 1998 was 55. In 2004, the enrollment was 145. Fine the average rate of change in enrollment from 1998 to 2004. \n" ); document.write( "

Algebra.Com's Answer #117952 by checkley77(12844) $\"\"$ $\"About$

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(145-55)/6=90/6=15 is the average enrollment increase per year. \n" ); document.write( "

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