document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=259710>Question 259710</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Two cities are 2400 miles apart. A plane leaves one of them, traveling towards the other at an average speed of 400 miles per hour. At the same time a plane leaves the other, traveling towards the first, at an average speed of 400 miles per hour. How long will it take them to meet?  It takes them [3] hours to meet?<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #191128 by </B><A HREF=/tutors/aboutme.mpl?userid=nerdybill><B>nerdybill(7384)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nerdybill><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=nerdybill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=191128\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Two cities are 2400 miles apart. A plane leaves one of them, traveling towards the other at an average speed of 400 miles per hour. At the same time a plane leaves the other, traveling towards the first, at an average speed of 400 miles per hour. How long will it take them to meet? It takes them _________ hours to meet?<BR>\n" );
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document.write( "Applying the \"distance formula\" of d =rt<BR>\n" );
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document.write( "Let t = time traveled<BR>\n" );
document.write( "then<BR>\n" );
document.write( "400t + 400t = 2400<BR>\n" );
document.write( "800t = 2400<BR>\n" );
document.write( "t = 2400/800<BR>\n" );
document.write( "t = 3 hours<BR>\n" );
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