document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=426464>Question 426464</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A man can build a brick wall in 8 hours.  IF he works for an hour and then asks his apprentice to help him, they finish the job in three more hours.  In how many hours can the apprentice do the who job? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #296669 by </B><A HREF=/tutors/aboutme.mpl?userid=robertb><B>robertb(5830)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=robertb><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=robertb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=296669\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F8+%2B+3%281%2F8+%2B+1%2Fa%29+=+1 ALIGN=MIDDLE  ALT=\"1%2F8+%2B+3%281%2F8+%2B+1%2Fa%29+=+1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<==> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F8+%2B+3%2F8+%2B+3%2Fa+=+1 ALIGN=MIDDLE  ALT=\"1%2F8+%2B+3%2F8+%2B+3%2Fa+=+1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<==> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F2+%2B+3%2Fa+=+1 ALIGN=MIDDLE  ALT=\"1%2F2+%2B+3%2Fa+=+1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<==> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3%2Fa+=+1%2F2 ALIGN=MIDDLE  ALT=\"3%2Fa+=+1%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<==> a = 6.  Hence the apprentice can do the whole job alone in 6 hours. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );