document.write( "Question 776851: A student has grades of 78%, 85%, 88% and 96%. There is one test left, and the student needs to average 90% to earn an A. Does he have a chance? \n" ); document.write( "
Algebra.Com's Answer #473746 by wilft1(217)![]() ![]() You can put this solution on YOUR website! he does not have a chance, even if he scores 100 percent on his last test his overall afterage will be 89.4\r \n" ); document.write( "\n" ); document.write( "remember how to do averages, add up all the numbers you have, then divide that number by the number of numbers you have...\r \n" ); document.write( "\n" ); document.write( "example...\r \n" ); document.write( "\n" ); document.write( "the average of 34, 23, 54, 86, and 45 .... add them all up to get 242 there are 5 numbers so divide 242 by 5 to get the average, 48.4 \n" ); document.write( " |