document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=910220>Question 910220</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Together John and Michael can paint a wall in 22 minutes. Alone John needs 15 minutes longer to paint the wall than Michael needs. How much time does John need to paint the wall by himself?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #552304 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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/cgi-bin/show-face.mpl?user=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=552304\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> See<BR>\n" );
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document.write( "1/x+1/(x+15)=1/22<BR>\n" );
document.write( "(22*x*(x+15))/x+(22*x*(x+15))/(x+15)=(22*x*(x+15))/22<BR>\n" );
document.write( "(22*(x+15))+22*x=x*(x+15)<BR>\n" );
document.write( "22*x+330+22*x=x^2+15*x<BR>\n" );
document.write( "44*x+330=x^2+15*x<BR>\n" );
document.write( "x^2-29*x-330=0<BR>\n" );
document.write( "Positive useful answer:<BR>\n" );
document.write( "x=14.5+23.2432786<BR>\n" );
document.write( "One answer is x=37.7<BR>\n" );
document.write( "x+15=15+37.7<BR>\n" );
document.write( "x+15=52.7<BR>\n" );
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