document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=622266>Question 622266</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Two people leave their homes at 11:30 am and between the two of them, they drive a total of 37.5 miles. one drives an average of 15mph faster then the other . they meet at noon find the average driving speed for each?\r<BR>\n" );
document.write( "\n" );
document.write( "d=rt<BR>\n" );
document.write( "d=37.5<BR>\n" );
document.write( "t=30 min<BR>\n" );
document.write( "let x =rate<BR>\n" );
document.write( "x(15) + x * 30 min = 37.5<BR>\n" );
document.write( "16x * 30 min = 37.5<BR>\n" );
document.write( "I don't know if I am on the right track but I don't know where to go from here <BR>\n" );
document.write( "Please help with a formula </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #391252 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=391252\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+s+ ALIGN=MIDDLE  ALT=\"+s+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = the speed of the slower driver in mi/hr<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+s+%2B+15+ ALIGN=MIDDLE  ALT=\"+s+%2B+15+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = the speed of the faster driver<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 driven by slower driver<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+37.5+-+d+ ALIGN=MIDDLE  ALT=\"+37.5+-+d+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = distance driven by faster driver<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+.5+ ALIGN=MIDDLE  ALT=\"+.5+\"   DISABLED_style= \"max-width:90%; height:auto;\" > hrs is the time for both drivers<BR>\n" );
document.write( "-------------<BR>\n" );
document.write( "Slower driver's equation:<BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d+=+s%2A%28.5%29+ ALIGN=MIDDLE  ALT=\"+d+=+s%2A%28.5%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Faster driver's equation:<BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+37.5+-+d+=+%28+s+%2B+15+%29%2A%28.5%29+ ALIGN=MIDDLE  ALT=\"+37.5+-+d+=+%28+s+%2B+15+%29%2A%28.5%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "---------------------------<BR>\n" );
document.write( "Substitute (1) into (2)<BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+37.5+-+d+=+%28+s+%2B+15+%29%2A%28.5%29+ ALIGN=MIDDLE  ALT=\"+37.5+-+d+=+%28+s+%2B+15+%29%2A%28.5%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+37.5+-+.5s+=+%28+s+%2B+15+%29%2A%28.5%29+ ALIGN=MIDDLE  ALT=\"+37.5+-+.5s+=+%28+s+%2B+15+%29%2A%28.5%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+37.5+-+.5s+=+.5s+%2B+7.5+ ALIGN=MIDDLE  ALT=\"+37.5+-+.5s+=+.5s+%2B+7.5+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+s+=+37.5+-+7.5+ ALIGN=MIDDLE  ALT=\"+s+=+37.5+-+7.5+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+s+=+30+ ALIGN=MIDDLE  ALT=\"+s+=+30+\"   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=+s+%2B+15+=+45+ ALIGN=MIDDLE  ALT=\"+s+%2B+15+=+45+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "The speed of the slower driver is 30 mi/hr<BR>\n" );
document.write( "The speed of the faster driver is 45 mi/hr<BR>\n" );
document.write( "check:<BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d+=+s%2A%28.5%29+ ALIGN=MIDDLE  ALT=\"+d+=+s%2A%28.5%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d+=+.5%2A30+ ALIGN=MIDDLE  ALT=\"+d+=+.5%2A30+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d+=+15+ ALIGN=MIDDLE  ALT=\"+d+=+15+\"   DISABLED_style= \"max-width:90%; height:auto;\" > mi<BR>\n" );
document.write( "and<BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+37.5+-+15+=+%28+s+%2B+15+%29%2A%28.5%29+ ALIGN=MIDDLE  ALT=\"+37.5+-+15+=+%28+s+%2B+15+%29%2A%28.5%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+22.5+=+.5%2A%28+s+%2B+15+%29+ ALIGN=MIDDLE  ALT=\"+22.5+=+.5%2A%28+s+%2B+15+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+45+=+s+%2B+15+ ALIGN=MIDDLE  ALT=\"+45+=+s+%2B+15+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+s+=+30+ ALIGN=MIDDLE  ALT=\"+s+=+30+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "OK </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );