document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=912986>Question 912986</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A train travels 100 km in the same time that a plane covers 250 km. If the speed of the plane is 30 km per hour less than 3 times the speed of the train, find both speeds. The train's speed and the planes speed. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #554245 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=554245\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A train travels 100 km in the same time that a plane covers 250 km. If the speed of the plane is 30 km per hour less than 3 times the speed of the train, find both speeds. The train's speed and the planes speed.<BR>\n" );
document.write( "***<BR>\n" );
document.write( "let x=speed of train<BR>\n" );
document.write( "3x-30=speed of plane<BR>\n" );
document.write( "travel time=distance/speed<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=100%2Fx=250%2F%283x-30%29 ALIGN=MIDDLE  ALT=\"100%2Fx=250%2F%283x-30%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "250x=100(3x-30)<BR>\n" );
document.write( "250x=300x-3000<BR>\n" );
document.write( "50x=3000<BR>\n" );
document.write( "x=60<BR>\n" );
document.write( "3x-30=180-30=150<BR>\n" );
document.write( "speed of train=60 km/hr<BR>\n" );
document.write( "speed of plane=150 km/hr </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );