document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=920222>Question 920222</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If Zach does a job in 9 hours And with the help of Catharine they do it together in 3 hours, How long will it take Catherine do it alone?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #558221 by </B><A HREF=/tutors/aboutme.mpl?userid=ewatrrr><B>ewatrrr(24785)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ewatrrr><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=ewatrrr><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=558221\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x long will it take Catherine do it alone<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F9+%2B+1%2Fx+=+1%2F3 ALIGN=MIDDLE  ALT=\"1%2F9+%2B+1%2Fx+=+1%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" > Multiplying thru by 9x so as all denominators = 1<BR>\n" );
document.write( "x + 9 = 3x<BR>\n" );
document.write( "9 = 2x<BR>\n" );
document.write( "9/2 = x = 4.5hr, time for Catherine do it alone<BR>\n" );
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