document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=608070>Question 608070</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The stopping distance d of a car after the brakes have been applied varies directly as the square of the speed r. If a car traveling 60 mph can stop in 200ft, how long will it take a car traveling 30 mph to stop? Please help and show work. Thanks </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #383031 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=383031\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Set up a ratio:\r<BR>\n" );
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document.write( "( speed 1 ) / ( stopping distance 1 ( = <BR>\n" );
document.write( "( speed 2 ) / ( stopping distance 2 )<BR>\n" );
document.write( "----------------------------<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+60+%2F+200+=+30+%2F+d+ ALIGN=MIDDLE  ALT=\"+60+%2F+200+=+30+%2F+d+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+3+%2F+10+=+30+%2F+d+ ALIGN=MIDDLE  ALT=\"+3+%2F+10+=+30+%2F+d+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+3d+=+300+ ALIGN=MIDDLE  ALT=\"+3d+=+300+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d+=+100+ ALIGN=MIDDLE  ALT=\"+d+=+100+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "If the car travels at 1/2 the speed it takes 1/2 <BR>\n" );
document.write( "the distance to stop, or 100 ft </SPAN>\n" );
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