document.write( "Question 88839: adam tried tocompute the average of his 7 test scores. He mistakenly divide the correct sum of all of his test scores by 6 wich yielded 84. What is adams correct average test score? \n" ); document.write( "
Algebra.Com's Answer #64544 by jim_thompson5910(35256) ![]() You can put this solution on YOUR website! Let x represent the sum of his scores. So when he divides the sum by 6 he gets:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "So the sum of his scores is 504. Now divide 504 by 7 to find the correct average:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "So the correct average is 72 \n" ); document.write( " |