document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=108158>Question 108158</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Two cars leave an intersection at the same time. One travels north, and the other heads west traveling 10 mph faster. after 1 hour, they are 50 miles apart. What are their speeds? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #78836 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=78836\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Rate x Time = Distance<BR>\n" );
document.write( "Car 1 rate = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=R%5B1%5D ALIGN=MIDDLE  ALT=\"R%5B1%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Car 2 rate = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=R%5B2%5D=R%5B1%5D%2B10 ALIGN=MIDDLE  ALT=\"R%5B2%5D=R%5B1%5D%2B10\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "After 1 hour, the distance is<BR>\n" );
document.write( "Distance 1 = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=R%5B1%5D%2A1 ALIGN=MIDDLE  ALT=\"R%5B1%5D%2A1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Distance 2 = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=R%5B2%5D%2A1 ALIGN=MIDDLE  ALT=\"R%5B2%5D%2A1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Since one heads north and one heads west, the make a right triangle.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=drawing%28+300%2C+300%2C+-1%2C+1%2C+-1%2C+1%2Cgrid%28+1+%29%2Cgreen%28line%28+-1%2C0%2C0%2C0%29%29%2Cgreen%28line%280%2C.6%2C0%2C0%29%29%2Cblue%28line%28-1%2C0%2C0%2C.6%29%29%2Clocate%28-.5%2C.5%2C50%29%2Cline%28-.1%2C0%2C-.1%2C.1%29%2Cline%28-.1%2C.1%2C0%2C.1%29%2Clocate%28.1%2C.4%2C%28R1%2A1%29%29%2Clocate%28-.5%2C-.1%2C%28R2%2A1%29%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "From the graph,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=R%5B1%5D%5E2%2BR%5B2%5D%5E2=50%5E2 ALIGN=MIDDLE  ALT=\"R%5B1%5D%5E2%2BR%5B2%5D%5E2=50%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=R%5B1%5D%5E2%2B%28R%5B1%5D%2B10%29%5E2=50%5E2 ALIGN=MIDDLE  ALT=\"R%5B1%5D%5E2%2B%28R%5B1%5D%2B10%29%5E2=50%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=R%5B1%5D%5E2%2BR%5B1%5D%5E2%2B20R%5B1%5D%2B100=2500 ALIGN=MIDDLE  ALT=\"R%5B1%5D%5E2%2BR%5B1%5D%5E2%2B20R%5B1%5D%2B100=2500\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2R%5B1%5D%5E2%2B20R%5B1%5D-2400=0 ALIGN=MIDDLE  ALT=\"2R%5B1%5D%5E2%2B20R%5B1%5D-2400=0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=R%5B1%5D%5E2%2B10R%5B1%5D-1200=0 ALIGN=MIDDLE  ALT=\"R%5B1%5D%5E2%2B10R%5B1%5D-1200=0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28R%5B1%5D%2B40%29%28R%5B1%5D-30%29=0 ALIGN=MIDDLE  ALT=\"%28R%5B1%5D%2B40%29%28R%5B1%5D-30%29=0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Use the positive root since negative rate does not make sense in this application.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=R%5B1%5D-30=0 ALIGN=MIDDLE  ALT=\"R%5B1%5D-30=0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=R%5B1%5D=30 ALIGN=MIDDLE  ALT=\"R%5B1%5D=30\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "and Car 2<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=R%5B2%5D=R%5B1%5D%2B10 ALIGN=MIDDLE  ALT=\"R%5B2%5D=R%5B1%5D%2B10\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=R%5B2%5D=40 ALIGN=MIDDLE  ALT=\"R%5B2%5D=40\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Check your answer<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=R%5B1%5D%5E2%2BR%5B2%5D%5E2=50%5E2 ALIGN=MIDDLE  ALT=\"R%5B1%5D%5E2%2BR%5B2%5D%5E2=50%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=30%5E2%2B40%5E2=50%5E2 ALIGN=MIDDLE  ALT=\"30%5E2%2B40%5E2=50%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2500=2500 ALIGN=MIDDLE  ALT=\"2500=2500\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "True statement. Good answer.<BR>\n" );
document.write( "Car 1 is traveling at 30 miles/hr North.<BR>\n" );
document.write( "Car 2 is traveling at 40 miles/hr West. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );