document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1104106>Question 1104106</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Bob can mow the lawn in 5 hours, and Fred can mow the lawn in 4 hours. How long will it take them to mow the lawn together? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #718827 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=718827\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F%281%2F5%2B1%2F4%29 ALIGN=MIDDLE  ALT=\"1%2F%281%2F5%2B1%2F4%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >, in hours\r<BR>\n" );
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document.write( "Look at the rate unit for the task:  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=LAWN%2FHOURS ALIGN=MIDDLE  ALT=\"LAWN%2FHOURS\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "BOB, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%281%2F5%29%28LAWN%2FHOURS%29 ALIGN=MIDDLE  ALT=\"%281%2F5%29%28LAWN%2FHOURS%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "FRED, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%281%2F4%29%28LAWN%2FHOURS%29 ALIGN=MIDDLE  ALT=\"%281%2F4%29%28LAWN%2FHOURS%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "When Bob and Fred work on the lawn together, the combined rate is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F5%2B1%2F4 ALIGN=MIDDLE  ALT=\"1%2F5%2B1%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" >, LAWNS PER HOUR. </SPAN>\n" );
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