document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=92606>Question 92606</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Edna and Nancy leave the house of a common friend at the same time and walk for 4 hours. Edna walks due east at the average rate of 4 kilometers per hour and Nancy walks due north at the average rate of 3 kilometers per hour. What is the straight-line distance between them, in kilometers, at the end of the 4 hours? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #67415 by </B><A HREF=/tutors/aboutme.mpl?userid=psbhowmick><B>psbhowmick(878)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=psbhowmick><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=psbhowmick><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=67415\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Avg. speed of Edna = 4 kmph due East.<BR>\n" );
document.write( "Distance traversed by Edna in 4 hours = 4 x 4 = 16 km due East.\r<BR>\n" );
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document.write( "Avg. speed of Nancy = 3 kmph due North.<BR>\n" );
document.write( "Distance traversed by Nancy in 4 hours = 4 x 3 = 12 km due North.\r<BR>\n" );
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document.write( "So, after 4 hrs. the straight line distance between them is<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%2816%5E2+%2B+12%5E2%29 ALIGN=MIDDLE  ALT=\"sqrt%2816%5E2+%2B+12%5E2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 20 km </SPAN>\n" );
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