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
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Algebra.Com's Answer #211911 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! (86+87+91+x)/4=98 \n" ); document.write( "x=128 \n" ); document.write( " |