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
\n" ); document.write( "
\n" ); document.write( "

Algebra.Com's Answer #746712 by Edwin McCravy(20060)\"\" \"About 
You can put this solution on YOUR website!
\"%2818%2A66%2B12%2A71%29%2F%2818%2B12%29\"
\n" ); document.write( "Calculate
\n" ); document.write( "
\n" );