document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=904823>Question 904823</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A modern jet plane can go 400 mph more than twice as fast as a diesel powered train. IF the train can run 165 mi. in the same time that the plane can fly 1210mi., find the rate of each? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #548902 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=548902\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Times are equal\r<BR>\n" );
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document.write( "Apply conditions and equate\r<BR>\n" );
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document.write( " diesel powered train speed = x\r<BR>\n" );
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document.write( "A modern jet plane can go 400 mph more than twice as fast as a diesel powered train.\r<BR>\n" );
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document.write( "speed = 2x+400\r<BR>\n" );
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document.write( "d/r train = d/r plane\r<BR>\n" );
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document.write( "165/x = 1210/(2x+400)\r<BR>\n" );
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document.write( "165(2x+400)=1210x\r<BR>\n" );
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document.write( "330x+66000=1210x\r<BR>\n" );
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document.write( "880x=66000<BR>\n" );
document.write( "/880\r<BR>\n" );
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document.write( "x= 75 mph speed of train\r<BR>\n" );
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document.write( "speed of plane = (2x+4)\r<BR>\n" );
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document.write( "2*75+400<BR>\n" );
document.write( "=150+400<BR>\n" );
document.write( "550 mph<BR>\n" );
document.write( " IF the train can run 165 mi. in the same time that the plane can fly 1210mi., find the rate of each? </SPAN>\n" );
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