document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=347017>Question 347017</A>: <I><SPAN STYLE=\"word-break: break-all;\"> It takes a girl 45 minutes to deliver the newspapers on her route; however, if her brother helps it takes only 20 minutes. How long would it take her brother to deliver the newspapers 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 #248158 by </B><A HREF=/tutors/aboutme.mpl?userid=ptaylor><B>ptaylor(2198)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ptaylor><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=ptaylor><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=248158\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let x=amount of time it takes brother to complete route by himself<BR>\n" );
document.write( "Then brother works at the rate of 1/x route per min<BR>\n" );
document.write( "girl works at the rate of 1/45 route per min<BR>\n" );
document.write( "girl and brother working together works at the rate of 1/20 route per min<BR>\n" );
document.write( "Sooooooo <BR>\n" );
document.write( "1/x + 1/45=1/20  multiply each term by 180x<BR>\n" );
document.write( "180+4x=9x<BR>\n" );
document.write( "5x=180<BR>\n" );
document.write( "x=36 min-----------time it takes brother to complete route alone\r<BR>\n" );
document.write( "\n" );
document.write( "CK<BR>\n" );
document.write( "1/36 + 1/45= 1/20<BR>\n" );
document.write( "5/180 + 4/180=1/20<BR>\n" );
document.write( "9/180=1/20<BR>\n" );
document.write( "1/20=1/20\r<BR>\n" );
document.write( "\n" );
document.write( "Hope this helps---ptaylor </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );