document.write( "Question 1070076: I have 4 math test this quarter, so far I have made a 80,73, and 60. If I want to have at least an average of 78, what is the lowest grade I can make \n" ); document.write( "
Algebra.Com's Answer #685177 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! I have 4 math test this quarter, so far I have made a 80,73, and 60. If I want to have at least an average of 78, what is the lowest grade I can make. \n" ); document.write( "-------------------- \n" ); document.write( "Points you have:: 80+73+60 = 213 \n" ); document.write( "Points you need:: 4*78 = 312 \n" ); document.write( "Points you need on 4th test:: 312-213 = 99 \n" ); document.write( "------ \n" ); document.write( "Let the 4th test score be x:: \n" ); document.write( "213+x = 4*78 \n" ); document.write( "x = 312-213 = 99 \n" ); document.write( "--------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |