document.write( "Question 783191: In the first 3 test Maria scored an average of 77 what does she need to score to make the average 79 \n" ); document.write( "
Algebra.Com's Answer #476638 by stanbon(75887) ![]() You can put this solution on YOUR website! In the first 3 test Maria scored an average of 77 what does she need to score to make the average 79 \n" ); document.write( "------- \n" ); document.write( "Equation: \n" ); document.write( "(3*77+x)/4 = 79 \n" ); document.write( "----- \n" ); document.write( "231+x = 316 \n" ); document.write( "x = 85 \n" ); document.write( "============ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "================= \n" ); document.write( " |