document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=898420>Question 898420</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Wilma drove at an average speed of 40 mi/h from her home in City A to visit her sister in City B. She stayed in City B 10 hours, and on the trip back averaged 35 mi/h. She returned home 40 hours after leaving. How many miles is City A from City B.<BR>\n" );
document.write( "Other info:<BR>\n" );
document.write( "The solution cannot be calculated using the formula that already exists to find distances using time and speed. <BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #544844 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=544844\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Wilma had <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+40+-+10+=+30+ ALIGN=MIDDLE  ALT=\"+40+-+10+=+30+\"   DISABLED_style= \"max-width:90%; height:auto;\" > actual<BR>\n" );
document.write( "hours of driving time<BR>\n" );
document.write( "Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+t+ ALIGN=MIDDLE  ALT=\"+t+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = time in hrs for her to<BR>\n" );
document.write( "drive from A to B<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+30+-+t+ ALIGN=MIDDLE  ALT=\"+30+-+t+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = time in hrs for her to<BR>\n" );
document.write( "drive from B to A<BR>\n" );
document.write( "Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d+ ALIGN=MIDDLE  ALT=\"+d+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = one-way distance from A to B<BR>\n" );
document.write( "-------------------------------------<BR>\n" );
document.write( "Equation for A to B:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d+=+40t+ ALIGN=MIDDLE  ALT=\"+d+=+40t+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Equation for B to A<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d+=+35%2A%28+30+-+t+%29+ ALIGN=MIDDLE  ALT=\"+d+=+35%2A%28+30+-+t+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "---------------------<BR>\n" );
document.write( "By substitution:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+40t+=+35%2A%28+30+-+t+%29+ ALIGN=MIDDLE  ALT=\"+40t+=+35%2A%28+30+-+t+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+40t+=+1050+-+35t+ ALIGN=MIDDLE  ALT=\"+40t+=+1050+-+35t+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+75t+=+1050+ ALIGN=MIDDLE  ALT=\"+75t+=+1050+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+t+=+14+ ALIGN=MIDDLE  ALT=\"+t+=+14+\"   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=+30+-+t+=+16+ ALIGN=MIDDLE  ALT=\"+30+-+t+=+16+\"   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=+d+=+40t+ ALIGN=MIDDLE  ALT=\"+d+=+40t+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d+=+40%2A14+ ALIGN=MIDDLE  ALT=\"+d+=+40%2A14+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d+=+560+ ALIGN=MIDDLE  ALT=\"+d+=+560+\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "-----------------<BR>\n" );
document.write( "City A is 560 miles from City B<BR>\n" );
document.write( "-----------------<BR>\n" );
document.write( "check:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d+=+35%2A%28+30+-+t+%29+ ALIGN=MIDDLE  ALT=\"+d+=+35%2A%28+30+-+t+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+560+=+35%2A%28+30+-+14+%29+ ALIGN=MIDDLE  ALT=\"+560+=+35%2A%28+30+-+14+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+560+=+35%2A16+ ALIGN=MIDDLE  ALT=\"+560+=+35%2A16+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+560+=+560+ ALIGN=MIDDLE  ALT=\"+560+=+560+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "OK\r<BR>\n" );
document.write( "\n" );
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