document.write( "Question 763458: Manuel has scored 82, 91, 73, 75, and 93 on his previous five tests. What score does he need on his next test so that his average (mean) is 81. \n" ); document.write( "
Algebra.Com's Answer #464817 by Cromlix(4381)![]() ![]() You can put this solution on YOUR website! Add all 5 scores = 414 \n" ); document.write( "Mean of the 6 scores = 81 \n" ); document.write( "6 * 81 = 486 \n" ); document.write( "486 - 414 = 72 \n" ); document.write( "So, Manuel needs to get 72 for his next test \n" ); document.write( "to achieve a mean of 81 \n" ); document.write( "Hope this helps. \n" ); document.write( ":-) \n" ); document.write( " |