document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=935157>Question 935157</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What is the probability that a 4-digit number of the type abcd (a, b, c, d are all different) is a multiple of 11? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #568305 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20850)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathLover1><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=MathLover1><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=568305\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28%28%289999-1001%29%2F11%29+%2B+1%29+%2F+%28+9999-999+%29=819%2F9000=+91%2F1000=0.091 ALIGN=MIDDLE  ALT=\"%28%28%289999-1001%29%2F11%29+%2B+1%29+%2F+%28+9999-999+%29=819%2F9000=+91%2F1000=0.091\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "or,\r<BR>\n" );
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document.write( "there are <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=819 ALIGN=MIDDLE  ALT=\"819\"   DISABLED_style= \"max-width:90%; height:auto;\" > multiples of <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=11 ALIGN=MIDDLE  ALT=\"11\"   DISABLED_style= \"max-width:90%; height:auto;\" > between <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1001 ALIGN=MIDDLE  ALT=\"1001\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=9999 ALIGN=MIDDLE  ALT=\"9999\"   DISABLED_style= \"max-width:90%; height:auto;\" >, and the total number of 4-digit numbers are <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=9000 ALIGN=MIDDLE  ALT=\"9000\"   DISABLED_style= \"max-width:90%; height:auto;\" >: so, simply divide <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=819%2F9000=+0.091 ALIGN=MIDDLE  ALT=\"819%2F9000=+0.091\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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