document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=398907>Question 398907</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Stacy works due  north of home. Her husband, Sam works due east. They leave for work at the same time. By the time Stacy is 7 miles from home, the distance between Stacy and Sam is 1 mile more than Sam's distance from home. How far from home is Sam. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #282581 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=282581\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Stacy works due north of home. Her husband, Sam works due east.<BR>\n" );
document.write( " They leave for work at the same time.<BR>\n" );
document.write( " By the time Stacy is 7 miles from home, the distance between Stacy and Sam is<BR>\n" );
document.write( " 1 mile more than Sam's distance from home.<BR>\n" );
document.write( " How far from home is Sam.<BR>\n" );
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document.write( "This is a pythag problem: a^2 + b^2 = c^2; b=7<BR>\n" );
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document.write( "Let x = Sam's distance from home (a)<BR>\n" );
document.write( "then<BR>\n" );
document.write( "(x+1) = Sam's distance from Stacy (c)<BR>\n" );
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document.write( "x^2 + 7^2 = (x+1)^2<BR>\n" );
document.write( "FOIL (x+1)(x+1)<BR>\n" );
document.write( "x^2 + 49 = x^2 + 2x + 1<BR>\n" );
document.write( "x^2 - x^2 + 49 - 1 = 2x<BR>\n" );
document.write( "48 = 2x<BR>\n" );
document.write( "x = 24 mi is Sam's dist from home<BR>\n" );
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document.write( "Check this on calc<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%2824%5E2%2B7%5E2%29 ALIGN=MIDDLE  ALT=\"sqrt%2824%5E2%2B7%5E2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 25 which Sam's distance from Stacy<BR>\n" );
document.write( " </SPAN>\n" );
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