document.write( "Question 549505: The total number of lawyers is 30. The average height of the women is 164 cm and the average height of men is 174 cm.
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document.write( "What is the number of women, if the total average of height for both men and women is 168 cm. \n" );
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Algebra.Com's Answer #357816 by stanbon(75887) ![]() You can put this solution on YOUR website! The total number of lawyers is 30. \n" ); document.write( "The average height of the women is 164 cm and \n" ); document.write( "the average height of men is 174 cm. \n" ); document.write( "What is the number of women, if the total average of height for both men and women is 168 cm. \n" ); document.write( "--- \n" ); document.write( "Total length of men and women: 30*168 = 5040 \n" ); document.write( "================================================ \n" ); document.write( "Equations: \n" ); document.write( "Quantity: m + w = 30 \n" ); document.write( "Length::174m+164w = 5040 \n" ); document.write( "------------------------------- \n" ); document.write( "Multiply thru 1st by 174 to get: \n" ); document.write( "174m + 174w = 174*30 \n" ); document.write( "174m + 164w = 5040 \n" ); document.write( "---- \n" ); document.write( "Subtract and solve for \"w\": \n" ); document.write( "10w = 180 \n" ); document.write( "w = 18 (# of women) \n" ); document.write( "======================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "============== \r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |