document.write( "Question 1130071: In a class of examination, the mean mark for the 18 boys was 66% and the mean mark for the 12 girls 71%. Calculate the mean mark for the whole class
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Algebra.Com's Answer #746712 by Edwin McCravy(20060)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "Calculate \n" ); document.write( " |