document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=410057>Question 410057</A>: <I><SPAN STYLE=\"word-break: break-all;\"> It takes jane 15 hours to paint a house. It takes john 18 hours to paint the same house. How long will it take both of them, working together, to paint the house? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #288460 by </B><A HREF=/tutors/aboutme.mpl?userid=nerdybill><B>nerdybill(7384)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nerdybill><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=nerdybill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=288460\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> It takes jane 15 hours to paint a house. It takes john 18 hours to paint the same house. How long will it take both of them, working together, to paint the house?<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Let x = time(hours) it takes for both<BR>\n" );
document.write( "then<BR>\n" );
document.write( "x(1/15 + 1/18) = 1<BR>\n" );
document.write( "multiplying both sides by (15)(18):<BR>\n" );
document.write( "x(1/15 + 1/18) = 1<BR>\n" );
document.write( "x(18 + 15) = (15)(18)<BR>\n" );
document.write( "x(33) = 270<BR>\n" );
document.write( "x = 8.182 hours<BR>\n" );
document.write( "or<BR>\n" );
document.write( "x = 8 hours and 11 minutes<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );