document.write( "Question 1001481: Find the sum of the odd integers between 21 and 61 inclusive \n" ); document.write( "
Algebra.Com's Answer #618696 by Alan3354(69443)\"\" \"About 
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Find the sum of the odd integers between 21 and 61 inclusive
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\n" ); document.write( "21 to 61 is 41 integers.
\n" ); document.write( "21 of them are odd.
\n" ); document.write( "41 is the center integer.
\n" ); document.write( "The other 10 make 10 pairs, the some of each pair is 82
\n" ); document.write( "eg 21 + 61
\n" ); document.write( "23 + 59
\n" ); document.write( "etc.
\n" ); document.write( "--> 82*10 + 41
\n" ); document.write( "= 861
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