document.write( "Question 160137: If you earn a score of 72% on one exam and a score of 85% on another exam, what will you need to earn on the next exam so that your average for the three exams is 80%? \n" ); document.write( "
Algebra.Com's Answer #118103 by nabla(475)![]() ![]() ![]() You can put this solution on YOUR website! (.72+.85+x)/3=.8 \n" ); document.write( "1.57+x=2.4 \n" ); document.write( "x=.83.\r \n" ); document.write( "\n" ); document.write( "You need an 83%. \n" ); document.write( " |