document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=577654>Question 577654</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a plane can travel 1035 miles in the same amount of time that a train can travel 270 miles. the speed of the plane is 50 mph more than three times the speed of the train. what are the speeds 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 #370257 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=370257\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> speed of train =x<BR>\n" );
document.write( "speed of plane =3x+50\r<BR>\n" );
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document.write( "distance train = 270<BR>\n" );
document.write( "distance plane = 1035\r<BR>\n" );
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document.write( "t=d/r and they are same for both\r<BR>\n" );
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document.write( "270/x = 1035/(3x+50)\r<BR>\n" );
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document.write( "270(3x+50)=1035x<BR>\n" );
document.write( "810x+13500=1035x\r<BR>\n" );
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document.write( "13500= 1035x-810x\r<BR>\n" );
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document.write( "13500= 225x<BR>\n" );
document.write( "x=13500/225\r<BR>\n" );
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document.write( "x= 60 mph speed of train\r<BR>\n" );
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document.write( "plug x in 3x+50 to get speed of plane </SPAN>\n" );
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