document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=149458>Question 149458</A>: <I><SPAN STYLE=\"word-break: break-all;\"> how do you doIn Paris, a boy walks 4 km north, 5 km south, 2 km north, and 3 km south. How<BR>\n" );
document.write( "far is the boy from his starting point? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #109650 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=109650\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The \"boy\" is moving in only two directions -- north and south.<BR>\n" );
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document.write( "It might be more understandable if you replace \"up\" for \"north\" and \"down\" for \"south\":<BR>\n" );
document.write( "In Paris, a boy walks 4 km up, 5 km down, 2 km up, and 3 km down. How<BR>\n" );
document.write( "far is the boy from his starting point?<BR>\n" );
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document.write( "Then if you think of \"up\" as + and \"down\" as - we get:<BR>\n" );
document.write( "4 - 5 + 2 - 3 <BR>\n" );
document.write( "= -1 + 2 - 3<BR>\n" );
document.write( "= 1 - 3  <BR>\n" );
document.write( "= -2 <BR>\n" );
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document.write( "Remember, the \"negative\" translate to south<BR>\n" );
document.write( "The boy is 2 km south from his starting point.<BR>\n" );
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