document.write( "Question 205558: the average of nine numbers is 40. if 1 is added to the first number, 2 is added to the second number, 3 is added to the third number and so on up to the ninth number, what is the new average? \n" ); document.write( "
Algebra.Com's Answer #155180 by RAY100(1637)![]() ![]() ![]() You can put this solution on YOUR website! (E n )/9 =40 \n" ); document.write( ". \n" ); document.write( "{E (n(1) +1) + n(2) +2 +......... } / 9 = ? \n" ); document.write( ". \n" ); document.write( " (E n)/9 + { 1+2+3+4+5+6+7+8+9 } /9 = ? \n" ); document.write( ". \n" ); document.write( "(En)/9 + { 45/9} = ? \n" ); document.write( ". \n" ); document.write( "40 +5 = ? \n" ); document.write( ". \n" ); document.write( "45 = ? \n" ); document.write( " |