document.write( "Question 450824: There are three exams in a marking period. A student received 75 and 80 on the first two exams. What grade must the student earn on the last exam to get an average of no less than 80% for the marking period. \n" ); document.write( "
Algebra.Com's Answer #310082 by jorel1380(3719)![]() ![]() You can put this solution on YOUR website! 3x80=240 \n" ); document.write( "75+80+n=240 \n" ); document.write( "n=240-155=85 \n" ); document.write( "The student needs no less than an 85.. \n" ); document.write( " |