document.write( "Question 267059: A student has scores of 83, 89, 78, and 86 on her first four tests. what score must she get on her fifth exam so that the average for all 5 exams is 85 or higher? \n" ); document.write( "
Algebra.Com's Answer #196132 by scott8148(6628)![]() ![]() You can put this solution on YOUR website! 83 + 89 + 78 + 86 + x ≥ 5*85\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "336 + x ≥ 425\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x ≥ 89 \n" ); document.write( " |