document.write( "Question 462610: The average of numbers are 8. So if three of the numbers are 4, 8, and 9 what is the fourth number? 11 or 12? \n" ); document.write( "
Algebra.Com's Answer #317095 by rfer(16322)![]() ![]() ![]() You can put this solution on YOUR website! (4+8+9+x)/4=8 \n" ); document.write( "21+x=8*4 \n" ); document.write( "21+x=32 \n" ); document.write( "x=11 \n" ); document.write( " |