document.write( "Question 990494: The arithmetic mean of 25 numbers is 68.find their sum.explain me please \n" ); document.write( "
Algebra.Com's Answer #610524 by KMST(5328)\"\" \"About 
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The arithmetic mean of a set of numbers is the average of those numbers,
\n" ); document.write( "and the average is the sum, divided by how many numbers are being averaged.
\n" ); document.write( "In this case,
\n" ); document.write( "\"average=sum%2F25=68\" .
\n" ); document.write( "\"sum%2F25=68\"--->\"sum=68%2A68\"--->\"sum=highlight%281700%29\" .
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