document.write( "Question 696098: The average of 3 numbers is 6.5. Two of numbers are 7.1 and 5.4.what is the third number \n" ); document.write( "
Algebra.Com's Answer #428794 by rfer(16322)\"\" \"About 
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(7.1+5.4+x)/3=3
\n" ); document.write( "12.5+x=3*3
\n" ); document.write( "x=9-12.5
\n" ); document.write( "x=-3.5
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