document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=831236>Question 831236</A>: <I><SPAN STYLE=\"word-break: break-all;\"> two workers X and Y can do a job together in 4 hours. if X alone takes alone 6 hours, then how long will y alone do the job? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #501208 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=501208\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> two workers X and Y can do a job together in 4 hours. if X alone takes alone 6 hours, then how long will y alone do the job?<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "Together rate: 1/4 job/hr<BR>\n" );
document.write( "X rate: 1/6 job/hr<BR>\n" );
document.write( "Y rate: 1/x job/hr<BR>\n" );
document.write( "------------<BR>\n" );
document.write( "Equation:<BR>\n" );
document.write( "rate + rate = together rate<BR>\n" );
document.write( "1/x + 1/6 = 1/4<BR>\n" );
document.write( "------<BR>\n" );
document.write( "Multiply thru by 12x to get:<BR>\n" );
document.write( "12 + 2x = 3x<BR>\n" );
document.write( "x = 12 hrs (time for \"y\" to do the job alone<BR>\n" );
document.write( "------------------------------------------------<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "================= </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );