document.write( "Question 11186: a student has test grades of75 and82. What must he get on a thrid test to have a average of80 or higher? \n" ); document.write( "
Algebra.Com's Answer #5834 by longjonsilver(2297) You can put this solution on YOUR website! let third exam score = x. So,\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "75+82+x = 240 \n" ); document.write( "157+x = 240 \n" ); document.write( "x = 83\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "So, the student needs to get 83 or more.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "jon. \n" ); document.write( " |