document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=136426>Question 136426</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If A can do a job in 5 hrs. and B can do a job in 8 hrs. Together they can do a job in_ hrs. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #100350 by </B><A HREF=/tutors/aboutme.mpl?userid=jeff@yahoo.com><B>jeff@yahoo.com(1)</B></A><img src=\"/images/stars/iconNewId_16x16.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jeff@yahoo.com><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=100350\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let 1/x= the time of A and B to complete the job. (hours)\r<BR>\n" );
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document.write( "rate of A to do the job alone<BR>\n" );
document.write( "       A=1/5<BR>\n" );
document.write( "rate of B to do the job alone<BR>\n" );
document.write( "       B= 1/8\r<BR>\n" );
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document.write( "     1/x = 1/5 + 1/8<BR>\n" );
document.write( "     <BR>\n" );
document.write( "     1/x = 13/40\r<BR>\n" );
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document.write( "     13x = 40\r<BR>\n" );
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document.write( "       x = 40/13\r<BR>\n" );
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document.write( "       x = 3.0769\r<BR>\n" );
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document.write( "    therefore A and B can do the job in 3.0769 hours </SPAN>\n" );
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