document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=375650>Question 375650</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a train travels 30 mph faster than a caar. if the train covers 120 miles in the same time the car covers 80 miles, what is the speed of each vehicle </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #267138 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=267138\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> SPEED OF CAR BE X MPH<BR>\n" );
document.write( "TRAIN = X+30 MPH..<BR>\n" );
document.write( "...<BR>\n" );
document.write( "train distance = 120 miles<BR>\n" );
document.write( "car distance = 80 miles<BR>\n" );
document.write( "..<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=time+=+distance+%2F+speed ALIGN=MIDDLE  ALT=\"time+=+distance+%2F+speed\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "\..<BR>\n" );
document.write( "train time = car time<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=120%2F%28x%2B30%29+=+80+%2Fx ALIGN=MIDDLE  ALT=\"120%2F%28x%2B30%29+=+80+%2Fx\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "multiply the equation by x*(x+30)<BR>\n" );
document.write( "..<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28120%2A%28cross%28x%2B30%29%2A%28x%29%29%29%2F%28cross%28x%2B30%29%29=+%28%2880%2A%28cross%28x%29%29%2A%28x%2B30%29%29%29%2F%28cross%28x%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "...<BR>\n" );
document.write( "120x= 80(x+30)<BR>\n" );
document.write( "120x=80x+2400<BR>\n" );
document.write( "-80x<BR>\n" );
document.write( "120x-80x=2400<BR>\n" );
document.write( "40x=2400<BR>\n" );
document.write( "/40<BR>\n" );
document.write( "x= 2400/40<BR>\n" );
document.write( "x= 60 mph speed of car<BR>\n" );
document.write( "speed of train = x+30 = 60+30 = 90 mph<BR>\n" );
document.write( "...<BR>\n" );
document.write( "m.ananth@hotmail.ca </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );