document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=133573>Question 133573</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Paul and Susan are 725 miles apart and headed straight toward each other. If Paul is traveling at 75 mph and Susan is traveling at 70 mph, how many hours will it be before the two cars are side-by-side? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #97730 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=97730\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The variable that is the same for both of them is time. If I<BR>\n" );
document.write( "start my stopwatch when they are 725 mi apart and stop it<BR>\n" );
document.write( "when they meet, they have both travelled for the same amount<BR>\n" );
document.write( "of time.<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;\" > = distance that Paul travels<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=725+-+d ALIGN=MIDDLE  ALT=\"725+-+d\"   DISABLED_style= \"max-width:90%; height:auto;\" > will be the distance that Susan travels<BR>\n" );
document.write( "For Paul:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t+=+d+%2F+75 ALIGN=MIDDLE  ALT=\"t+=+d+%2F+75\"   DISABLED_style= \"max-width:90%; height:auto;\" > hrs<BR>\n" );
document.write( "For Susan:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t+=+%28725+-+d%29+%2F+70 ALIGN=MIDDLE  ALT=\"t+=+%28725+-+d%29+%2F+70\"   DISABLED_style= \"max-width:90%; height:auto;\" > hrs<BR>\n" );
document.write( "Since their times are equal,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%2F75+=+%28725+-+d%29+%2F+70 ALIGN=MIDDLE  ALT=\"d%2F75+=+%28725+-+d%29+%2F+70\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%2F75+=+725%2F70+-+d%2F70 ALIGN=MIDDLE  ALT=\"d%2F75+=+725%2F70+-+d%2F70\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Multiply both sides by <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=75%2A70 ALIGN=MIDDLE  ALT=\"75%2A70\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=70d+=+75%2A725+-+75d ALIGN=MIDDLE  ALT=\"70d+=+75%2A725+-+75d\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=145d+=+54375 ALIGN=MIDDLE  ALT=\"145d+=+54375\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d+=+375 ALIGN=MIDDLE  ALT=\"d+=+375\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=725+-+d+=+725+-+375 ALIGN=MIDDLE  ALT=\"725+-+d+=+725+-+375\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=725+-+375+=+350 ALIGN=MIDDLE  ALT=\"725+-+375+=+350\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Now find <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t ALIGN=MIDDLE  ALT=\"t\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t+=+d+%2F+75 ALIGN=MIDDLE  ALT=\"t+=+d+%2F+75\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t+=+375+%2F+75 ALIGN=MIDDLE  ALT=\"t+=+375+%2F+75\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t+=+5 ALIGN=MIDDLE  ALT=\"t+=+5\"   DISABLED_style= \"max-width:90%; height:auto;\" > hrs<BR>\n" );
document.write( "They will meet in 5 hrs<BR>\n" );
document.write( "check:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%2F75+=+%28725+-+d%29+%2F+70 ALIGN=MIDDLE  ALT=\"d%2F75+=+%28725+-+d%29+%2F+70\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=375%2F75+=+350+%2F+70 ALIGN=MIDDLE  ALT=\"375%2F75+=+350+%2F+70\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5+=+5 ALIGN=MIDDLE  ALT=\"5+=+5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "OK </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );