document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=918080>Question 918080</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If Fran were to paint her living room alone it would take 6 hours. Her sister could do the job in 8 hours. How long would it take them working together? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #556890 by </B><A HREF=/tutors/aboutme.mpl?userid=Hawksfan><B>Hawksfan(61)</B></A><img src=\"/images/stars/stars-08.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Hawksfan><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=Hawksfan><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=556890\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> r1 =6<BR>\n" );
document.write( "r2 =8<BR>\n" );
document.write( "t  = ?\r<BR>\n" );
document.write( "\n" );
document.write( "[(1/r1) * t] + [(1/r2)*t] = 1\r<BR>\n" );
document.write( "\n" );
document.write( "t/6 +  t/8 = 1  \r<BR>\n" );
document.write( "\n" );
document.write( "multiply by common denominator... 24\r<BR>\n" );
document.write( "\n" );
document.write( "24 (t/6 +  t/8 = 1)\r<BR>\n" );
document.write( "\n" );
document.write( "4t + 3t =24\r<BR>\n" );
document.write( "\n" );
document.write( "7t = 24\r<BR>\n" );
document.write( "\n" );
document.write( "t = 24/7 = 3.4hrs </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );