document.write( "Question 1000802: in a math class of 21 students the average score on the most recent test was 77%. if sarahs grade was 95% and jacks grade was 78% find the average grade of the remaining 19 students \n" ); document.write( "
Algebra.Com's Answer #618126 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! in a math class of 21 students the average score on the most recent test was 77%. if sarahs grade was 95% and jacks grade was 78% find the average grade of the remaining 19 students \n" ); document.write( "--------- \n" ); document.write( "(78 + 95 + 19x)/21 = 77 \n" ); document.write( "-------- \n" ); document.write( "(173 + 19x)/21 = 77 \n" ); document.write( "-------- \n" ); document.write( "173 + 19x = 1617 \n" ); document.write( "--- \n" ); document.write( "x = 76% \n" ); document.write( "-------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "----------- \n" ); document.write( " |