document.write( "Question 293629: The average of four numbers is 98. If three of the numbers are 86, 87, and 91, what is the fourth number? ... \r
\n" );
document.write( "\n" );
document.write( " \n" );
document.write( "
Algebra.Com's Answer #211910 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! (n + 86 + 87 + 91)/4 = 98 \n" ); document.write( "n + 264 = 392 \n" ); document.write( "n = 128 \n" ); document.write( " |