document.write( "Question 616633: the rent was 400.00 it went up to 520.00 what is the percent it went up \n" ); document.write( "
Algebra.Com's Answer #387795 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 = [(520-400)/400] * 100\r
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\n" ); document.write( "\n" ); document.write( "Percent Increase = [120/400] * 100\r
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\n" ); document.write( "\n" ); document.write( "Percent Increase = 0.3 * 100\r
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\n" ); document.write( "\n" ); document.write( "Percent Increase = 30%
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