document.write( "Question 340679: An author completed 10 chapters of his book in the first month. In the second month, he completed 5 chapters. By what percent did his chapter completion decrease? \n" ); document.write( "
Algebra.Com's Answer #244344 by nyc_function(2741)\"\" \"About 
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5/10 = p/100\r
\n" ); document.write( "\n" ); document.write( "p = percent decrease\r
\n" ); document.write( "\n" ); document.write( "10p = 5(100)\r
\n" ); document.write( "\n" ); document.write( "10p = 500\r
\n" ); document.write( "\n" ); document.write( "p = 500/10\r
\n" ); document.write( "\n" ); document.write( "p = 50\r
\n" ); document.write( "\n" ); document.write( "Percent decrease = 50%
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