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)![]() ![]() You can put this solution on YOUR website! 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( ": \n" ); document.write( "Let x = the score that was added, now there are 9 scores \n" ); document.write( " \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 \n" ); document.write( " |