document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=782000>Question 782000</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A car travels 20 kilometers per hour faster than a  second car. The first car covers 180 kilometers in the same time the second car covers 135 kilometers. What is the average 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 #476226 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=476226\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Car II rate = x kph<BR>\n" );
document.write( "D=135\r<BR>\n" );
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document.write( "Car I rate = x+20 kph<BR>\n" );
document.write( "D=180\r<BR>\n" );
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document.write( "time  is same<BR>\n" );
document.write( "t=d/r\r<BR>\n" );
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document.write( "180/(x+20)=135/x\r<BR>\n" );
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document.write( "cross multiply\r<BR>\n" );
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document.write( "180x=135(x+20)\r<BR>\n" );
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document.write( "180x=135x+135*20\r<BR>\n" );
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document.write( "45x=135*20\r<BR>\n" );
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document.write( "/45<BR>\n" );
document.write( "x=135*20/45\r<BR>\n" );
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document.write( "x=60 kph Car II\r<BR>\n" );
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document.write( "Car I = 60 +20 = 80 kph\r<BR>\n" );
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document.write( " </SPAN>\n" );
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