document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1207518>Question 1207518</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If 9 combination n : 8combination (n-2) = 9:4, find the values of n. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #847027 by </B><A HREF=/tutors/aboutme.mpl?userid=math_tutor2020><B>math_tutor2020(3817)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=math_tutor2020><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=847027\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font color=black size=3><BR>\n" );
document.write( "The tutor greenestamps has a great solution. It's probably the method your teacher wants you to follow. \r<BR>\n" );
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document.write( "If your teacher allows you to use a spreadsheet then you can use the <a  rel=nofollow HREF=\"https://support.microsoft.com/en-us/office/combin-function-12a3f276-0a21-423a-8de6-06990aaf638a\">Combin</a> function to find the answer very quickly.<BR>\n" );
document.write( "Avoid the <a  rel=nofollow HREF=\"https://support.microsoft.com/en-us/office/choose-function-fc5c184f-cb62-4ec7-a46e-38653b98f5bc\">Choose</a> function since that's something entirely different. \r<BR>\n" );
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document.write( "<tr><TD >n</TD><TD >A = Combin(9, n)</TD><TD >B = Combin(8, n-2)</TD><TD >A/B</TD><TD >Is A/B = 9/4 = 2.25?</TD></tr><tr><TD >2</TD><TD >36</TD><TD >1</TD><TD >36</TD><TD >No</TD></tr><tr><TD >3</TD><TD >84</TD><TD >8</TD><TD >10.5</TD><TD >No</TD></tr><tr><TD >4</TD><TD >126</TD><TD >28</TD><TD >4.5</TD><TD >No</TD></tr><tr><TD ><font color=red>5</font></TD><TD >126</TD><TD >56</TD><TD ><font color=red>2.25</font></TD><TD ><font color=red>Yes</font></TD></tr><tr><TD >6</TD><TD >84</TD><TD >70</TD><TD >1.2</TD><TD >No</TD></tr><tr><TD >7</TD><TD >36</TD><TD >56</TD><TD >0.642857 (approx)</TD><TD >No</TD></tr><tr><TD >8</TD><TD >9</TD><TD >28</TD><TD >0.321429 (approx)</TD><TD >No</TD></tr><tr><TD >9</TD><TD >1</TD><TD >8</TD><TD >0.125</TD><TD >No</TD></tr>\n" );
document.write( "</TABLE>According to the table, <font color=red>n = 5</font> will turn \"9 combination n\" into 126 and \"8 combination (n-2)\" becomes 56.<BR>\n" );
document.write( "126/56 = 9/4 = 2.25<BR>\n" );
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