document.write( "Question 1016780: An arithmetic progression has 241 terms and
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Algebra.Com's Answer #637848 by Edwin McCravy(20059)\"\" \"About 
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An arithmetic progression has 241 terms and a
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document.write( "\"S%5Bn%5D\"\"%22%22=%22%22\"\"expr%28n%2F2%29%282a%5B1%5D%2B%28n-1%29d%5E%22%22%29\"\r\n" );
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document.write( "Substitute n=241 and d=0.1\r\n" );
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document.write( "\"S%5B241%5D\"\"%22%22=%22%22\"\"expr%28241%2F2%29%282a%5B1%5D%2B%28241-1%29%280.1%29%5E%22%22%29\"\r\n" );
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document.write( "And substitute S241 = 964\r\n" );
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document.write( "\"964\"\"%22%22=%22%22\"\"expr%28241%2F2%29%282a%5B1%5D%2B%28241-1%29%280.1%29%5E%22%22%29\"\r\n" );
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document.write( "\"964\"\"%22%22=%22%22\"\"expr%28241%2F2%29%282a%5B1%5D%2B%28240%29%280.1%29%5E%22%22%29\"\r\n" );
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document.write( "\"964\"\"%22%22=%22%22\"\"expr%28241%2F2%29%282a%5B1%5D%2B24%5E%22%22%29\"\r\n" );
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document.write( "Clear the fraction by multiplying both sides by 2\r\n" );
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document.write( "\"1928\"\"%22%22=%22%22\"\"241%282a%5B1%5D%2B24%5E%22%22%29\"\r\n" );
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document.write( "Divide both sides by 241\r\n" );
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document.write( "\"8\"\"%22%22=%22%22\"\"2a%5B1%5D%2B24\"\r\n" );
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document.write( "Subtract 24 from both sides\r\n" );
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document.write( "\"-16\"\"%22%22=%22%22\"\"2a%5B1%5D\"\r\n" );
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document.write( "Divide both sides by 2\r\n" );
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document.write( "\"-8\"\"%22%22=%22%22\"\"a%5B1%5D\"\r\n" );
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document.write( "First term is -8\r\n" );
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document.write( "Edwin
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