document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1008001>Question 1008001</A>: <I><SPAN STYLE=\"word-break: break-all;\"> sol can paint a house in 9 hours while ding can paint the same house in 16 hours. after 4 hours of working together, ding left and sol finish the job alone. How many hours did it take  sol to finish 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 #623777 by </B><A HREF=/tutors/aboutme.mpl?userid=dkppathak><B>dkppathak(439)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=dkppathak><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=dkppathak><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=623777\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> sol can paint a house in 9 hours while ding can paint the same house in 16 hours. after 4 hours of working together, ding left and sol finish the job alone. How many hours did it take  sol to finish the job?<BR>\n" );
document.write( "sol can pain a house in 9 hrs<BR>\n" );
document.write( "ding can paint a house in 16 hrs <BR>\n" );
document.write( "sol 1 hrs painting =1/9 parts <BR>\n" );
document.write( "ding 1 hrs painting =1/16 parts<BR>\n" );
document.write( "ding and sol 1 hrs together =1/9+1/16=25/144 parts<BR>\n" );
document.write( "working together for 4 hrs =4x25/144=25/36 parts<BR>\n" );
document.write( "reaming part=1-25/36=11/36 parts <BR>\n" );
document.write( "sol will finish work=11x9/36=11/4 days  </SPAN>\n" );
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