document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=472793>Question 472793</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The formula r=2&#8730;5L can be used to approximate the speed r, in miles per hour, of a car that's left skid marks length L, in feet. How far will a car skid at 20 mph? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #324289 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=324289\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The formula r=2&#8730;5L can be used to approximate the speed r, in miles per hour,<BR>\n" );
document.write( " of a car that's left skid marks length L, in feet.<BR>\n" );
document.write( " How far will a car skid at 20 mph?<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Replace r with 20 in the given formula<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2sqrt%285L%29 ALIGN=MIDDLE  ALT=\"2sqrt%285L%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 20<BR>\n" );
document.write( "Square both sides<BR>\n" );
document.write( "4(5L) = 20^2<BR>\n" );
document.write( "20L = 400<BR>\n" );
document.write( "L = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=400%2F20 ALIGN=MIDDLE  ALT=\"400%2F20\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "L = 20 mph with 20' skid mark </SPAN>\n" );
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