document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=402747>Question 402747</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Frank  can type a report in 4hours and James takes 5hrs how long will it take the two of them typing togwther </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #284882 by </B><A HREF=/tutors/aboutme.mpl?userid=nerdybill><B>nerdybill(7384)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nerdybill><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=nerdybill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=284882\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let x = time (hours) it takes working together<BR>\n" );
document.write( "then<BR>\n" );
document.write( "x(1/4 + 1/5) = 1<BR>\n" );
document.write( "multiplying both sides by 20:<BR>\n" );
document.write( "x(5 + 4) = 20<BR>\n" );
document.write( "9x = 20<BR>\n" );
document.write( "x = 2.22 hours<BR>\n" );
document.write( "or<BR>\n" );
document.write( "x = 2 hours and 13 minutes<BR>\n" );
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document.write( "</TD></TR></TABLE>\n" );