document.write( "Question 256015: what is the average of a+b+c+a? I want to know if i shal divide by 3 or 4 \n" ); document.write( "
Algebra.Com's Answer #188165 by ptaylor(2198)\"\" \"About 
You can put this solution on YOUR website!
(a+b+c+a)/4=(2a+b+c)/4\r
\n" ); document.write( "\n" ); document.write( "We are finding the average of a set of four numbers. Two of the numbers just happen to be the same.\r
\n" ); document.write( "\n" ); document.write( "Hope this helps---ptaylor
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