document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=63435>Question 63435</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If two planes leave the same airport at 1:00 PM, how many miles apart will they be at 3:00 PM if one travels directly north at 150 mph and the other travels directly west at 200 mph?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #44142 by </B><A HREF=/tutors/aboutme.mpl?userid=uma><B>uma(370)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=uma><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=44142\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Distance covered by the plane moving north  in 2 hrs = 150 * 2<BR>\n" );
document.write( "                                                     =  300 miles\r<BR>\n" );
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document.write( "Distance covered by the plane moving west in 2 hrs = 200 * 2<BR>\n" );
document.write( "                                                     =  400 miles<BR>\n" );
document.write( "So at 3 PM both the planes would have covered the above distances.\r<BR>\n" );
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document.write( "We know that North and West are perpendicular to each other.\r<BR>\n" );
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document.write( "So by Pythagorean theorem,\r<BR>\n" );
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document.write( "distance between them = sqrt(300^2  + 400^2)\r<BR>\n" );
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document.write( "                      = sqrt(900 + 1600)\r<BR>\n" );
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document.write( "                      = sqrt(2500)<BR>\n" );
document.write( "                      = 50\r<BR>\n" );
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document.write( "THus they are 50 miles at 3 PM\r<BR>\n" );
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document.write( "Good luck!!!<BR>\n" );
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