document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=999272>Question 999272</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Bob takes 3 hours to mow a lawn. Al takes 4 hours. If they work together how long will it take\r<BR>\n" );
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document.write( "In the previous problem Al works for 1.5 hours BEFORE Bob arrives, how much longer will it<BR>\n" );
document.write( "take if they finish together?\r<BR>\n" );
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document.write( "The answer for the first problem is 12/7 hrs. I'd like to know how to work out the second please! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #616940 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39627)</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=616940\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The current problem works this way:<BR>\n" );
document.write( "Bob's rate, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F3 ALIGN=MIDDLE  ALT=\"1%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" >.<BR>\n" );
document.write( "Al's rate, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F4 ALIGN=MIDDLE  ALT=\"1%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" >.<BR>\n" );
document.write( "Both together,  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F3%2B1%2F4=4%2F12%2B3%2F12=highlight%287%2F12%29 ALIGN=MIDDLE  ALT=\"1%2F3%2B1%2F4=4%2F12%2B3%2F12=highlight%287%2F12%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >.  The unit is LAWNS per HOUR.<BR>\n" );
document.write( "....Yes, you can look at that rate upside down to figure how much TIME for one job and this is  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=12%2F7 ALIGN=MIDDLE  ALT=\"12%2F7\"   DISABLED_style= \"max-width:90%; height:auto;\" >  HOURS per job.  Twelve hours for seven jobs or, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%265%2F7 ALIGN=MIDDLE  ALT=\"1%265%2F7\"   DISABLED_style= \"max-width:90%; height:auto;\" >  hours for one job or however you want to express it.\r<BR>\n" );
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document.write( "The \"previous\" problem works this way:<BR>\n" );
document.write( "Al works <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%261%2F2 ALIGN=MIDDLE  ALT=\"1%261%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" > hours, and does some work; and then Al and Bob work together for some unknown <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t ALIGN=MIDDLE  ALT=\"t\"   DISABLED_style= \"max-width:90%; height:auto;\" > hours and they finish the 1 job.<BR>\n" );
document.write( "-<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%28%281%2F4%29%283%2F2%29%2B%287%2F12%29%2At=1%29 ALIGN=MIDDLE  ALT=\"highlight_green%28%281%2F4%29%283%2F2%29%2B%287%2F12%29%2At=1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >.<BR>\n" );
document.write( "Solve this for t. </SPAN>\n" );
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