document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=723013>Question 723013</A>: <I><SPAN STYLE=\"word-break: break-all;\"> It takes Jane 4 hours to complete her math homework. Alice can complete the assignment in 3 hours. If Jane works 1/2 hour before Alice joins her, how long will it take the two of them to finish the homework? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #443003 by </B><A HREF=/tutors/aboutme.mpl?userid=nshah11><B>nshah11(47)</B></A><img src=\"/images/stars/stars-07.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nshah11><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=443003\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> When Alice joins Jane, Jane has already completed (1/2)/4 = 1/8 of the homework.\r<BR>\n" );
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document.write( "Rate at which both complete homework = (1/3 + 1/4) = 7/12 per hour.\r<BR>\n" );
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document.write( "Time needed for both to complete homework = (1 - 1/8)/(7/12) = (12/7)(7/8)\r<BR>\n" );
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document.write( "= 3/2 hours </SPAN>\n" );
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