document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=528593>Question 528593</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Martha can rake the leaves in her yard in 3 hours.  Her younger brother can do the job in 5 hours.  How long will it take them to the job if they work together? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #349337 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=349337\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Martha can rake the leaves in her yard in 3 hours. Her younger brother can do the job in 5 hours. How long will it take them to the job if they work together?<BR>\n" );
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document.write( "Martha rate = 1/3 job/hr<BR>\n" );
document.write( "Brother rate = 1/5 job/hr<BR>\n" );
document.write( "Together rate = 1/x job/hr<BR>\n" );
document.write( "----<BR>\n" );
document.write( "Equation:<BR>\n" );
document.write( "rate + rate = together rate<BR>\n" );
document.write( "1/3 + 1/5 = 1/x<BR>\n" );
document.write( "5x + 3x = 15<BR>\n" );
document.write( "8x = 15<BR>\n" );
document.write( "x = 15/8<BR>\n" );
document.write( "x = 1 7/8 hrs = 1hr 53 minutes<BR>\n" );
document.write( "==================================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "=========== </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );