document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=888059>Question 888059</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In California, the distance from Jackson to Lodi is about 40 mi as is the distance from Lodi to Manteca. Rico drove from Jackson to Lodi during the rush hour, stopped in Lodi for a high energy drink, and then drove onto Manteca at 10 mph faster. Driving time for the entire trip was 88 min. Find his speed Jackson to Lodi. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #537044 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39620)</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=537044\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Jackson to Lodi, 40 miles.<BR>\n" );
document.write( "Lodi to Manteca, 40 miles.\r<BR>\n" );
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document.write( "r = speed in rush hour traffic.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r%2At%5B1%5D=40+and+%28r%2B10%29t%5B2%5D=40 ALIGN=MIDDLE  ALT=\"r%2At%5B1%5D=40+and+%28r%2B10%29t%5B2%5D=40\"   DISABLED_style= \"max-width:90%; height:auto;\" >;<BR>\n" );
document.write( "and <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%5B1%5D%2Bt%5B2%5D=88%2F60 ALIGN=MIDDLE  ALT=\"t%5B1%5D%2Bt%5B2%5D=88%2F60\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "This is three equations and three unknowns.  Let's rename the variables for time quantities:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=rx=40 ALIGN=MIDDLE  ALT=\"rx=40\"   DISABLED_style= \"max-width:90%; height:auto;\" >, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28r%2B10%29y=40 ALIGN=MIDDLE  ALT=\"%28r%2B10%29y=40\"   DISABLED_style= \"max-width:90%; height:auto;\" >, and  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2By=88%2F60 ALIGN=MIDDLE  ALT=\"x%2By=88%2F60\"   DISABLED_style= \"max-width:90%; height:auto;\" >;<BR>\n" );
document.write( "x is time for first part of travel and y is time for second part of travel.\r<BR>\n" );
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document.write( "I am letting you continue from here...  I suggest trying to eliminate r using the rate equations and then you will just have two equations in x and y. </SPAN>\n" );
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