document.write( "Question 756360: A class contains 8 male students and 12 female students. If the average for entire class for a certain exam is 70,and the average score of the male students in the exam is 55, what is the average score of the female students? \n" ); document.write( "
Algebra.Com's Answer #460154 by stanbon(75887) ![]() You can put this solution on YOUR website! A class contains 8 male students and 12 female students. If the average for entire class for a certain exam is 70,and the average score of the male students in the exam is 55, what is the average score of the female students? \n" ); document.write( "--- \n" ); document.write( "Let \"x\" be the average score for female students. \n" ); document.write( "---------------- \n" ); document.write( "Equation: \n" ); document.write( "(8*55+12x)/20 = 70 \n" ); document.write( "------ \n" ); document.write( "440+12x = 1400 \n" ); document.write( "------ \n" ); document.write( "12x = 960 \n" ); document.write( "x = 80 \n" ); document.write( "=============== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "================= \n" ); document.write( " |