document.write( "Question 411291: A class of 20 students took a math test. The 12 girls in the class had an average score of 85. The 8 boys in the class had an average score of 78. What was the class average. \n" ); document.write( "
Algebra.Com's Answer #289146 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! A class of 20 students took a math test. The 12 girls in the class had an average score of 85. The 8 boys in the class had an average score of 78. What was the class average. \n" ); document.write( "--- \n" ); document.write( "Total girl points 12*85 \n" ); document.write( "Total boy points 8*78 \n" ); document.write( "---- \n" ); document.write( "Total class points = 12*85+8*78 = 1644 \n" ); document.write( "--- \n" ); document.write( "Class average = 1644/20 = 82.2 \n" ); document.write( "================================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "========== \n" ); document.write( " |