document.write( "Question 117394: A student has scores of 87, 81, and 88 on the first 3 of 4 test. If the student wants to an average of exactly 87, what score must she earn on the fourth test \n" ); document.write( "
Algebra.Com's Answer #85448 by Fombitz(32388)![]() ![]() You can put this solution on YOUR website! Let T be the test score on the fourth test. \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "The student needs to get exactly a 92 to get exactly an 87 average. \n" ); document.write( " |