document.write( "Question 823778: The first term of an arithmetic progression is 8. The sum of the first 10 terms of this progression
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Algebra.Com's Answer #495861 by Edwin McCravy(20062)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "That is solved for sum = 1620, not 1720 here:\r\n" );
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document.write( "http://www.algebra.com/cgi-bin/jump-to-question.mpl?question=495769\r\n" );
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document.write( "There is no solution for 1720.  That is a typo, the 1720 must be 1620.\r\n" );
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document.write( "If you try to use 1720, the answer comes out with n as a fraction\r\n" );
document.write( "and the number of terms cannot be a fraction.\r\n" );
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document.write( "Edwin
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