document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=828265>Question 828265</A>: <I><SPAN STYLE=\"word-break: break-all;\"> An airplane travels 1400 miles in the same amount of time it takes a car to travel 210 miles.  The car travels at a speed of 340 mph less than the airplane.  what is the speed of the plane? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #499184 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=499184\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> An airplane travels 1400 miles in the same amount of time it takes a car to travel 210 miles. The car travels at a speed of 340 mph less than the airplane. what is the speed of the plane?<BR>\n" );
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document.write( "Car DATA:<BR>\n" );
document.write( "distance = 210 miles ; rate = (p-340); time = 210/(p-340) hrs<BR>\n" );
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document.write( "Plane DATA:<BR>\n" );
document.write( "distance = 1400 miles ;  rate = p mph ; time = 1400/p<BR>\n" );
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document.write( "Equation:<BR>\n" );
document.write( "time = time<BR>\n" );
document.write( "210/(p-340) = p<BR>\n" );
document.write( "210 = p^2 - 340p<BR>\n" );
document.write( "p^2 -340p - 210 = 0<BR>\n" );
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document.write( "plane speed = 340.62 mph<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "============<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );