document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1204324>Question 1204324</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Every day, Jane and Bill both drive to a parking lot, and then take a subway to get to work. Jane drives 25 km at 60 km/h, and then takes a northbound subway that averages 35 km/h for 18 km while Bill drives 40 km at 80 km/h and then takes a southbound subway that averages 24 km/h for 25 km. It takes each of them 15 minutes to change from car to subway, and they arrive at the same destination at 8:30 a.m. At what time does the earliest of them leave home? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #840499 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20849)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathLover1><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=MathLover1><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=840499\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Every day, Jane and Bill both drive to a parking lot, and then take a subway to get to work. \r<BR>\n" );
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document.write( "Jane drives <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=25km ALIGN=MIDDLE  ALT=\"25km\"   DISABLED_style= \"max-width:90%; height:auto;\" > at <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=60%28+km%2Fh%29 ALIGN=MIDDLE  ALT=\"60%28+km%2Fh%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >, and then takes a northbound subway that averages <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=35+%28km%2Fh%29 ALIGN=MIDDLE  ALT=\"35+%28km%2Fh%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > for <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=18km ALIGN=MIDDLE  ALT=\"18km\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
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document.write( "while Bill drives <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=40km ALIGN=MIDDLE  ALT=\"40km\"   DISABLED_style= \"max-width:90%; height:auto;\" > at <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=80%28+km%2Fh%29 ALIGN=MIDDLE  ALT=\"80%28+km%2Fh%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > and then takes a southbound subway that averages <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=24+%28km%2Fh%29 ALIGN=MIDDLE  ALT=\"24+%28km%2Fh%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > for <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=25km ALIGN=MIDDLE  ALT=\"25km\"   DISABLED_style= \"max-width:90%; height:auto;\" >. \r<BR>\n" );
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document.write( "It takes each of them <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=15min ALIGN=MIDDLE  ALT=\"15min\"   DISABLED_style= \"max-width:90%; height:auto;\" > to change from car to subway, and they arrive at the same destination at <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=8%3A30a.m ALIGN=MIDDLE  ALT=\"8%3A30a.m\"   DISABLED_style= \"max-width:90%; height:auto;\" >. \r<BR>\n" );
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document.write( "At what time does the earliest of them leave home?\r<BR>\n" );
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document.write( "Janes time:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+t%5B1%5D+=+%2825%2F60%29h+ ALIGN=MIDDLE  ALT=\"+t%5B1%5D+=+%2825%2F60%29h+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+t%5B1%5D+=+%285%2F12%29h+ ALIGN=MIDDLE  ALT=\"+t%5B1%5D+=+%285%2F12%29h+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( " takes a northbound subway that averages <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+t%5B2%5D+=+%2818%2F35%29h+ ALIGN=MIDDLE  ALT=\"+t%5B2%5D+=+%2818%2F35%29h+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Bill's time:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+t%5B1%5D+=+%2840%2F80%29h+ ALIGN=MIDDLE  ALT=\"+t%5B1%5D+=+%2840%2F80%29h+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+t%5B1%5D+=+%281%2F2%29h+ ALIGN=MIDDLE  ALT=\"+t%5B1%5D+=+%281%2F2%29h+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( " takes a southbound subway that averages<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+t%5B2%5D+=+%2825%2F24%29h+ ALIGN=MIDDLE  ALT=\"+t%5B2%5D+=+%2825%2F24%29h+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Add <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=15min=+%2815%2F60%29h+=+%281%2F4%29h+ ALIGN=MIDDLE  ALT=\"15min=+%2815%2F60%29h+=+%281%2F4%29h+\"   DISABLED_style= \"max-width:90%; height:auto;\" > to each one's time\r<BR>\n" );
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document.write( "Jane's time:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+5%2F12+%2B+18%2F35+%2B+1%2F4+=+124%2F105=1.18 ALIGN=MIDDLE  ALT=\"+5%2F12+%2B+18%2F35+%2B+1%2F4+=+124%2F105=1.18\"   DISABLED_style= \"max-width:90%; height:auto;\" >=><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1h ALIGN=MIDDLE  ALT=\"1h\"   DISABLED_style= \"max-width:90%; height:auto;\" ><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=10 ALIGN=MIDDLE  ALT=\"10\"   DISABLED_style= \"max-width:90%; height:auto;\" >’\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=8h ALIGN=MIDDLE  ALT=\"8h\"   DISABLED_style= \"max-width:90%; height:auto;\" ><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=30 ALIGN=MIDDLE  ALT=\"30\"   DISABLED_style= \"max-width:90%; height:auto;\" >'<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1h+ ALIGN=MIDDLE  ALT=\"1h+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=10 ALIGN=MIDDLE  ALT=\"10\"   DISABLED_style= \"max-width:90%; height:auto;\" >’<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=7h ALIGN=MIDDLE  ALT=\"7h\"   DISABLED_style= \"max-width:90%; height:auto;\" ><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=20 ALIGN=MIDDLE  ALT=\"20\"   DISABLED_style= \"max-width:90%; height:auto;\" >’\r<BR>\n" );
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document.write( "Bill's time:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F2+%2B+25%2F24+%2B1%2F4+=+43%2F24=1.79h+ ALIGN=MIDDLE  ALT=\"1%2F2+%2B+25%2F24+%2B1%2F4+=+43%2F24=1.79h+\"   DISABLED_style= \"max-width:90%; height:auto;\" >=><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1h+ ALIGN=MIDDLE  ALT=\"1h+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=47 ALIGN=MIDDLE  ALT=\"47\"   DISABLED_style= \"max-width:90%; height:auto;\" >’ to the nearest minute\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=8h ALIGN=MIDDLE  ALT=\"8h\"   DISABLED_style= \"max-width:90%; height:auto;\" ><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=30 ALIGN=MIDDLE  ALT=\"30\"   DISABLED_style= \"max-width:90%; height:auto;\" >'<BR>\n" );
document.write( "-<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1h+ ALIGN=MIDDLE  ALT=\"1h+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=47 ALIGN=MIDDLE  ALT=\"47\"   DISABLED_style= \"max-width:90%; height:auto;\" >’<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=6h+ ALIGN=MIDDLE  ALT=\"6h+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=42 ALIGN=MIDDLE  ALT=\"42\"   DISABLED_style= \"max-width:90%; height:auto;\" >’\r<BR>\n" );
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document.write( "Answers:<BR>\n" );
document.write( "Jane =<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+7%3A20AM ALIGN=MIDDLE  ALT=\"+7%3A20AM\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Bill = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=6%3A42AM ALIGN=MIDDLE  ALT=\"6%3A42AM\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( " </SPAN>\n" );
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