document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=554491>Question 554491</A>: <I><SPAN STYLE=\"word-break: break-all;\"> using the formula s=2sqrt5x (I am having trouble inserting the radical sign so i used \"sqrt\" i know that is not right everything i used would not work).  We will call the speed S (in miles per hour) and x is equal to the length of a skid mark in feet.\r<BR>\n" );
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document.write( "What is the speed of a car that has left a skid mark with a length of 61.25ft? \r<BR>\n" );
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document.write( "What is the speed of a car that has left a skid mark with a length of 320ft?<BR>\n" );
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document.write( "How long is the skid mark left by a car that was traveling 70 mph when involved in an accident? <BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #361354 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><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=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=361354\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> your equation looks like it should be:<BR>\n" );
document.write( "s = 2*sqrt(5x)<BR>\n" );
document.write( "s = the speed of the car in miles per hour.<BR>\n" );
document.write( "x = the length of the skid in feet.<BR>\n" );
document.write( "when x = 61.5 feet, then:\"<BR>\n" );
document.write( "s = 2*sqrt(5*61.5) = 35.071 miles per hour<BR>\n" );
document.write( "when x = 320 feet:<BR>\n" );
document.write( "s = 2*sqrt(5*320) = 80 miles per hour.<BR>\n" );
document.write( "a car traveling at 70 miles per hour would leave a skid mark as described in the following equation:<BR>\n" );
document.write( "70 = 2*sqrt(5x)<BR>\n" );
document.write( "divide this equation by 2 to get:<BR>\n" );
document.write( "35 = sqrt(5x)<BR>\n" );
document.write( "square both sides of this equation to get:<BR>\n" );
document.write( "1225 = 5x<BR>\n" );
document.write( "divide both sides of this equation by 5 to get:<BR>\n" );
document.write( "x = 245 feet.<BR>\n" );
document.write( "a car traveling at 70 miles per hour would leave a skid mark of 245 feet.<BR>\n" );
document.write( "this assumes that it would skid to a stop without hitting anything.<BR>\n" );
document.write( "if it hit something before coming to a stop, then the skid marks would be less than 245 feet.<BR>\n" );
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