document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1049625>Question 1049625</A>: <I><SPAN STYLE=\"word-break: break-all;\"> It takes a boy 45 minutes to deliver the newspaper on his route, however if his sister helps, It takes only 20 minutes.How long they would it take his sister to deliver the newspaper by herself? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #665206 by </B><A HREF=/tutors/aboutme.mpl?userid=addingup><B>addingup(3677)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=addingup><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=addingup><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=665206\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let x = amount of time it takes the sister to complete route by herself<BR>\n" );
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document.write( "Sister = 1/x route per minute<BR>\n" );
document.write( "Brother = 1/45 route per minute<BR>\n" );
document.write( "Together = 1/20 route per minute<BR>\n" );
document.write( "Put these together in an equation:<BR>\n" );
document.write( "1/x + 1/45 = 1/20 multiply each term by 90x<BR>\n" );
document.write( "90+2x = 4.5x<BR>\n" );
document.write( "90 = 2.5x<BR>\n" );
document.write( "x = 36<BR>\n" );
document.write( "It takes the sister 36 minutes. </SPAN>\n" );
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