document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=327919>Question 327919</A>: <I><SPAN STYLE=\"word-break: break-all;\"> It takes a girl 45 minute to deliver the papers on her route; however if her brother helps, it takes only 20 minutes. How would it take her brother to deliver the paper by himself? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #234827 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=234827\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> let delivering the papers be = 1 job<BR>\n" );
document.write( "..<BR>\n" );
document.write( "girl does it in 45 minutes<BR>\n" );
document.write( "1/45 of the job she doe in 1 minute<BR>\n" );
document.write( "..<BR>\n" );
document.write( "together they do the job in 20 minutes<BR>\n" );
document.write( "1/20 of the job they do in 1 minute.<BR>\n" );
document.write( "..<BR>\n" );
document.write( "1/20 -1/45 = job done by brother in 1 minute<BR>\n" );
document.write( "1/20-1/45=(9-4 )/ 180<BR>\n" );
document.write( "=5/180<BR>\n" );
document.write( "=1/36 of the job he does in 1 minute<BR>\n" );
document.write( "he will take 36 minutes to do the job. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );