document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=518772>Question 518772</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A car travels 240 miles.  A second car, traveling 12 mph faster that the first, makes the same trip in 1 hour less time.  Find the speed of each car. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #345257 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=345257\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> car I-----------------x mph<BR>\n" );
document.write( "car II---------------x+12 mph\r<BR>\n" );
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document.write( "t=d/r<BR>\n" );
document.write( "time car I -time car II =1\r<BR>\n" );
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document.write( "240/x - 240/(x+12)=1\r<BR>\n" );
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document.write( "LCD = x(x+12)<BR>\n" );
document.write( "multiply by LCD<BR>\n" );
document.write( "240(x+12)-240x=1*x(x+12)<BR>\n" );
document.write( "240x+2880-240x=x^2+12x<BR>\n" );
document.write( "x^2+12x-2880=0\r<BR>\n" );
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document.write( "x^2+60x-48x-2880=0<BR>\n" );
document.write( "x(x+60)-48(x+60)=0<BR>\n" );
document.write( "(x+60)(x-48)=0\r<BR>\n" );
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document.write( "x=48 mph speed of car I<BR>\n" );
document.write( "48+12=60 mph Car II speed </SPAN>\n" );
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