document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1101062>Question 1101062</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Two cyclists, 90 km apart, start riding toward each other at the same time. The speed of one cyclist is twice as fast as the other. Find their speeds if they meet after 2 hours. (use algebra) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #715639 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=715639\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Think of this as one of them standing still<BR>\n" );
document.write( "and the other one moving at the sum of their speeds<BR>\n" );
document.write( "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 cyclist<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+2s+ ALIGN=MIDDLE  ALT=\"+2s+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = the speed of the faster cyclist<BR>\n" );
document.write( "-----------------------------------------<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+90+=+%28+s+%2B+2s+%29%2A2+ ALIGN=MIDDLE  ALT=\"+90+=+%28+s+%2B+2s+%29%2A2+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+90+=+3s%2A2+ ALIGN=MIDDLE  ALT=\"+90+=+3s%2A2+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+90+=+6s+ ALIGN=MIDDLE  ALT=\"+90+=+6s+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+s+=+15+ ALIGN=MIDDLE  ALT=\"+s+=+15+\"   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=+2s+=+30+ ALIGN=MIDDLE  ALT=\"+2s+=+30+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "----------------<BR>\n" );
document.write( "Their speeds are 15 km/hr and<BR>\n" );
document.write( "30 km/hr<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%5B1%5D+=+15%2A2+ ALIGN=MIDDLE  ALT=\"+d%5B1%5D+=+15%2A2+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d%5B1%5D+=+30+ ALIGN=MIDDLE  ALT=\"+d%5B1%5D+=+30+\"   DISABLED_style= \"max-width:90%; height:auto;\" > km<BR>\n" );
document.write( "and<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d%5B2%5D+=+30%2A2+ ALIGN=MIDDLE  ALT=\"+d%5B2%5D+=+30%2A2+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d%5B2%5D+=+60+ ALIGN=MIDDLE  ALT=\"+d%5B2%5D+=+60+\"   DISABLED_style= \"max-width:90%; height:auto;\" > km<BR>\n" );
document.write( "--------------------<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d%5B1%5D+%2B+d%5B2%5D+=+30+%2B+60+ ALIGN=MIDDLE  ALT=\"+d%5B1%5D+%2B+d%5B2%5D+=+30+%2B+60+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d%5B1%5D+%2B+d%5B2%5D+=+90+ ALIGN=MIDDLE  ALT=\"+d%5B1%5D+%2B+d%5B2%5D+=+90+\"   DISABLED_style= \"max-width:90%; height:auto;\" > km<BR>\n" );
document.write( "OK </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );