document.write( "Question 620092: We have 1, 333, 55555, 7777777, 999999999. Select 7 digits so, that their sum will be 50 \n" ); document.write( "
Algebra.Com's Answer #389905 by Edwin McCravy(20056)\"\" \"About 
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document.write( "An odd number of odd digits will always have an odd number as its sum;\r\n" );
document.write( "therefore since all we have are odd digits it is impossible for\r\n" );
document.write( "an odd number, 7, of them to have as a sum the even number 50.\r\n" );
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document.write( "Edwin
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