document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1071818>Question 1071818</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The sum of 2 numbers is 20, their product is 10. If the sum of their reciprocals is a, find a? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #686774 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=686774\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The sum of 2 numbers is 20, their product is 10. If the sum of their reciprocals is a, find a? <BR>\n" );
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document.write( "x + y = 20<BR>\n" );
document.write( "x*y = 10<BR>\n" );
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document.write( "x(20-x) = 10<BR>\n" );
document.write( "x^2 - 20x + 10 = 0<BR>\n" );
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document.write( "x = 19.487<BR>\n" );
document.write( "y = 0.513<BR>\n" );
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document.write( "a = 1/x + 1/y = 2<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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