document.write( "Question 221123: Suppose that the mean score of a class of 28 students was 74. The 18 male students in the class had a mean score of 66. What was the mean score for the 10 female students? \r
\n" ); document.write( "\n" ); document.write( "I don't understand how to find this answer. \n" ); document.write( "
Algebra.Com's Answer #165912 by ankor@dixie-net.com(22740)\"\" \"About 
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Suppose that the mean score of a class of 28 students was 74.
\n" ); document.write( " The 18 male students in the class had a mean score of 66.
\n" ); document.write( " What was the mean score for the 10 female students?
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\n" ); document.write( "Let x = mean score of the girls
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\n" ); document.write( "write a total score equation
\n" ); document.write( "boys + girls = total
\n" ); document.write( "18*66 + 10x = 28*74
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\n" ); document.write( "1188 + 10x = 2072
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\n" ); document.write( "10x = 2072 - 1188
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\n" ); document.write( "10x = 884
\n" ); document.write( "x = \"884%2F10\"
\n" ); document.write( "x = 88.4 girls mean score \n" ); document.write( "
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