document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=161273>Question 161273</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0078651131/algebrahomeworkh>Algebra 1</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> An express train travels 80 kilometers per our from Ironton to Wildwood.  A local train traveling at 48 Kilometers per hour, takes 2 hours longer for the same trip.  How far apart are Ironton and Wildwood? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #118771 by </B><A HREF=/tutors/aboutme.mpl?userid=jojo14344><B>jojo14344(1513)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jojo14344><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=118771\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> </pre><font size=4><b><BR>\n" );
document.write( "Remember: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Speed=distance%2Ftime ALIGN=MIDDLE  ALT=\"Speed=distance%2Ftime\"   DISABLED_style= \"max-width:90%; height:auto;\" > -------------> EQN 1<BR>\n" );
document.write( "express Train=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=T%5BE%5D ALIGN=MIDDLE  ALT=\"T%5BE%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" >: local Train=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=T%5BL%5D ALIGN=MIDDLE  ALT=\"T%5BL%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "In EQN 1 we get:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%5BE%5D=S%5BE%5D%2At%5BE%5D ALIGN=MIDDLE  ALT=\"d%5BE%5D=S%5BE%5D%2At%5BE%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" >; <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%5BL%5D=S%5BL%5D%2At%5BL%5D ALIGN=MIDDLE  ALT=\"d%5BL%5D=S%5BL%5D%2At%5BL%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "We equate the 2 eqns since distance is the same, and remember too <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=T%5BL%5D ALIGN=MIDDLE  ALT=\"T%5BL%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" > takes 2 hours longer. It follows <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%5BL%5D=t%5BE%5D%2B2hrs ALIGN=MIDDLE  ALT=\"t%5BL%5D=t%5BE%5D%2B2hrs\"   DISABLED_style= \"max-width:90%; height:auto;\" > ----> EQN 2<BR>\n" );
document.write( "Continuing,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=S%5BE%5D%2At%5BE%5D=S%5BL%5D%2At%5BL%5D ALIGN=MIDDLE  ALT=\"S%5BE%5D%2At%5BE%5D=S%5BL%5D%2At%5BL%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" >, subst. EQN 2<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=S%5BE%5D%2At%5BE%5D=S%5BL%5D%2A%28t%5BE%5D%2B2%29 ALIGN=MIDDLE  ALT=\"S%5BE%5D%2At%5BE%5D=S%5BL%5D%2A%28t%5BE%5D%2B2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=80%2At%5BE%5D=48%2A%28t%5BE%5D%2B2%29 ALIGN=MIDDLE  ALT=\"80%2At%5BE%5D=48%2A%28t%5BE%5D%2B2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=80%2At%5BE%5D=48t%5BE%5D%2B96 ALIGN=MIDDLE  ALT=\"80%2At%5BE%5D=48t%5BE%5D%2B96\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=80t%5BE%5D-48t%5BE%5D=96 ALIGN=MIDDLE  ALT=\"80t%5BE%5D-48t%5BE%5D=96\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=32t%5BE%5D=96 ALIGN=MIDDLE  ALT=\"32t%5BE%5D=96\"   DISABLED_style= \"max-width:90%; height:auto;\" > -----> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cross%2832%29t%5BE%5D%2Fcross%2832%29=cross%2896%293%2Fcross%2832%29 ALIGN=MIDDLE  ALT=\"cross%2832%29t%5BE%5D%2Fcross%2832%29=cross%2896%293%2Fcross%2832%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%5BE%5D=3hrs ALIGN=MIDDLE  ALT=\"t%5BE%5D=3hrs\"   DISABLED_style= \"max-width:90%; height:auto;\" >: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%5BL%5D=3%2B2=5hrs ALIGN=MIDDLE  ALT=\"t%5BL%5D=3%2B2=5hrs\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "So via EQn 1:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%5BE%5D=80%2A3=240km ALIGN=MIDDLE  ALT=\"d%5BE%5D=80%2A3=240km\"   DISABLED_style= \"max-width:90%; height:auto;\" >; <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%5BL%5D=48%2A5=240km ALIGN=MIDDLE  ALT=\"d%5BL%5D=48%2A5=240km\"   DISABLED_style= \"max-width:90%; height:auto;\" > ---> Ironton to Wildwood<BR>\n" );
document.write( "thank you,<BR>\n" );
document.write( "Jojo</pre><BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );