document.write( "Question 585919: Last month a book sold for $25.00. This month it sold for $25.50. What was the percent of increase? \n" ); document.write( "
Algebra.Com's Answer #373544 by jim_thompson5910(35256)\"\" \"About 
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Percent Increase = [(New - Old)/Old] * 100\r
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\n" ); document.write( "\n" ); document.write( "Percent Increase = [(25.5-25)/25] * 100\r
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\n" ); document.write( "\n" ); document.write( "Percent Increase = [0.5/25] * 100\r
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\n" ); document.write( "\n" ); document.write( "Percent Increase = 0.02 * 100\r
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\n" ); document.write( "\n" ); document.write( "Percent Increase = 2%\r
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