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)\"\" \"About 
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(E n )/9 =40
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\n" ); document.write( "{E (n(1) +1) + n(2) +2 +......... } / 9 = ?
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\n" ); document.write( " (E n)/9 + { 1+2+3+4+5+6+7+8+9 } /9 = ?
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\n" ); document.write( "(En)/9 + { 45/9} = ?
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\n" ); document.write( "40 +5 = ?
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\n" ); document.write( "45 = ?
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