document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1002409>Question 1002409</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Rosa works due north of home. Her husband Alan works due East. They leave for work at the same time. By the time Rosa is 3 miles from home, the distance between them is one mile more than Alan's distance from home. How far from home is Alan?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #619338 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=619338\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Rosa works due north of home. Her husband Alan works due East. <BR>\n" );
document.write( "They leave for work at the same time. <BR>\n" );
document.write( "By the time Rosa is 3 miles from home, the distance between them is one mile more than Alan's distance from home.<BR>\n" );
document.write( " How far from home is Alan?<BR>\n" );
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document.write( "This is a Pythagoras problem. the distance between them is the hypotenuse<BR>\n" );
document.write( "a^2 + b^2 = c^2<BR>\n" );
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document.write( "a = Alan's distance from home<BR>\n" );
document.write( "b = 3 mi<BR>\n" );
document.write( "c = (a+1); one more mile than Alan's dist<BR>\n" );
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document.write( "a^2 + 3^2 = (a+1)^2<BR>\n" );
document.write( "FOIL (a+1)(a+1)<BR>\n" );
document.write( "a^2 + 9 = a^2 + 2a + 1<BR>\n" );
document.write( "a^2 - a^2 + 9 - 1 = 2a<BR>\n" );
document.write( "8 = 2a<BR>\n" );
document.write( "a = 4 mi is Alan from home<BR>\n" );
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document.write( "Check 4^2 + 3^2 = 5^2    </SPAN>\n" );
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