document.write( "Question 160944: a student averages 84 on five tests. if the student recieved grades of 84,82,81, and 79 on the first four exams,what grade did the student recieve on the fifth exam? \n" ); document.write( "
Algebra.Com's Answer #118607 by nerdybill(7384)![]() ![]() You can put this solution on YOUR website! Let x = grade on fifth exam \n" ); document.write( ". \n" ); document.write( "Then because \"a student averages 84 on five tests\" \n" ); document.write( "(84+82+81+79+x)/5 = 84 \n" ); document.write( "(326+x)/5 = 84 \n" ); document.write( "326+x = 425 \n" ); document.write( "x = 425-326 \n" ); document.write( "x = 99 \n" ); document.write( " \n" ); document.write( " |