document.write( "Question 857441: the average of 9 consecutive numbers is 20 the greatest of these numbers is ? \n" ); document.write( "
Algebra.Com's Answer #517116 by tommyt3rd(5050)![]() ![]() You can put this solution on YOUR website! x+(x+1)+...+(x+8)=9x+36\r \n" ); document.write( "\n" ); document.write( "so if they average to 20 we can say:\r \n" ); document.write( "\n" ); document.write( "(9x+36)/9=20\r \n" ); document.write( "\n" ); document.write( "simplifying...\r \n" ); document.write( "\n" ); document.write( "x+4=20,\r \n" ); document.write( "\n" ); document.write( "so x=16\r \n" ); document.write( "\n" ); document.write( "the greatest of the 9 numbers must be 24 \n" ); document.write( " |