document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=397942>Question 397942</A>: <I><SPAN STYLE=\"word-break: break-all;\"> elsa can complete a typing job in six hours.  She was given a helper and together they finish the job in only four days.  How long would it take the helper had he worked alone </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #281941 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=281941\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> elsa can complete a typing job in six hours. She was given a helper and together they finish the job in only four hours. How long would it take the helper had he worked alone<BR>\n" );
document.write( "------<BR>\n" );
document.write( "Elsa rate = 1/6 job/hr<BR>\n" );
document.write( "Helper's rate = 1/x job/hr<BR>\n" );
document.write( "Together rate = 1/4 job/hr<BR>\n" );
document.write( "--------------------------------<BR>\n" );
document.write( "Equation:<BR>\n" );
document.write( "rate + rate = together rate<BR>\n" );
document.write( "1/6 + 1/x = 1/4<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Multiply thru by 12x to get:<BR>\n" );
document.write( "2x + 12 = 3x<BR>\n" );
document.write( "x = 12 hrs (time for helper to do job alone)<BR>\n" );
document.write( "==============================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );