document.write( "Question 808452: If the mean of 8 scores is 5 and 1 score is added which changes the mean to 7 then what was the score that was added \n" ); document.write( "
Algebra.Com's Answer #487028 by ankor@dixie-net.com(22740)\"\" \"About 
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If the mean of 8 scores is 5 and 1 score is added which changes the mean to 7 then what was the score that was added
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\n" ); document.write( "Let x = the score that was added, now there are 9 scores
\n" ); document.write( "\"%288%285%29%2Bx%29%2F9\"= 7
\n" ); document.write( "multiply both sides by 9
\n" ); document.write( "40 + x = 63
\n" ); document.write( "x = 63-40
\n" ); document.write( "x = 23
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