document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=242660>Question 242660</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The arithmetic mean or average of the age of a group of doctors and lawyers is 40. If the average age of the doctors is 35 and the average age of the lawyers is 50, then what is the ratio of the number of doctors to the number of lawyers?<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #177651 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=177651\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The arithmetic mean or average of the age of a group of doctors and lawyers is 40. If the average age of the doctors is 35 and the average age of the lawyers is 50, then what is the ratio of the number of doctors to the number of lawyers?<BR>\n" );
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document.write( "Let # of doctors be \"D\" ; let # of lawyers be \"L\"<BR>\n" );
document.write( "Sum of ages of doctors and lawyers = (D+L)*40 years<BR>\n" );
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document.write( "Sum of ages of doctors and lawyers = 35D + 50L<BR>\n" );
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document.write( "Equation:<BR>\n" );
document.write( "Sum = Sum<BR>\n" );
document.write( "40D + 40L = 35D + 50L<BR>\n" );
document.write( "5D = 10L<BR>\n" );
document.write( "D/L = 2:1<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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