document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=985243>Question 985243</A>: <I><SPAN STYLE=\"word-break: break-all;\">  the sum of the speed of two trains is 719.5 miles per hour if the speed of the first train is 2.5 miles faster than the second train find the speeds of each <BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #606069 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20850)</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=606069\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> the sum of the speed of two trains is 719.5 miles per hour \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=s%5B1%5D%2Bs%5B2%5D=719.5+%28mil%2Fh%29 ALIGN=MIDDLE  ALT=\"s%5B1%5D%2Bs%5B2%5D=719.5+%28mil%2Fh%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >...........eq.1\r<BR>\n" );
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document.write( "if the speed of the first train is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2.5 ALIGN=MIDDLE  ALT=\"2.5\"   DISABLED_style= \"max-width:90%; height:auto;\" > miles faster than the second train, then we have <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=s%5B1%5D=s%5B2%5D%2B2%28mil%2Fh%29 ALIGN=MIDDLE  ALT=\"s%5B1%5D=s%5B2%5D%2B2%28mil%2Fh%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >.........substitute in eq.1\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=s%5B2%5D%2B2%28mil%2Fh%29%2Bs%5B2%5D=719.5+%28mil%2Fh%29 ALIGN=MIDDLE  ALT=\"s%5B2%5D%2B2%28mil%2Fh%29%2Bs%5B2%5D=719.5+%28mil%2Fh%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >.........solve for <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=s%5B2%5D ALIGN=MIDDLE  ALT=\"s%5B2%5D\"   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=2s%5B2%5D=719.5+%28mil%2Fh%29-2%28mil%2Fh%29 ALIGN=MIDDLE  ALT=\"2s%5B2%5D=719.5+%28mil%2Fh%29-2%28mil%2Fh%29\"   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=2s%5B2%5D=717.5+%28mil%2Fh%29 ALIGN=MIDDLE  ALT=\"2s%5B2%5D=717.5+%28mil%2Fh%29\"   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=s%5B2%5D=%28717.5%2F2%29+%28mil%2Fh%29 ALIGN=MIDDLE  ALT=\"s%5B2%5D=%28717.5%2F2%29+%28mil%2Fh%29\"   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=highlight%28s%5B2%5D=358.75%28mil%2Fh%29%29 ALIGN=MIDDLE  ALT=\"highlight%28s%5B2%5D=358.75%28mil%2Fh%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >-the speeds of second train \r<BR>\n" );
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document.write( "and<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=s%5B1%5D=s%5B2%5D%2B2%28mil%2Fh%29 ALIGN=MIDDLE  ALT=\"s%5B1%5D=s%5B2%5D%2B2%28mil%2Fh%29\"   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=s%5B1%5D=358.75%28mil%2Fh%29%2B2%28mil%2Fh%29 ALIGN=MIDDLE  ALT=\"s%5B1%5D=358.75%28mil%2Fh%29%2B2%28mil%2Fh%29\"   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=highlight%28s%5B1%5D=360.75%28mil%2Fh%29%29 ALIGN=MIDDLE  ALT=\"highlight%28s%5B1%5D=360.75%28mil%2Fh%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >-the speeds of first train \r<BR>\n" );
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document.write( "check the sum:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=s%5B1%5D%2Bs%5B2%5D=719.5+%28mil%2Fh%29 ALIGN=MIDDLE  ALT=\"s%5B1%5D%2Bs%5B2%5D=719.5+%28mil%2Fh%29\"   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=360.75%28mil%2Fh%29%2B358.75%28mil%2Fh%29=719.5+%28mil%2Fh%29 ALIGN=MIDDLE  ALT=\"360.75%28mil%2Fh%29%2B358.75%28mil%2Fh%29=719.5+%28mil%2Fh%29\"   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=719.5%28mil%2Fh%29=719.5+%28mil%2Fh%29 ALIGN=MIDDLE  ALT=\"719.5%28mil%2Fh%29=719.5+%28mil%2Fh%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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