document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=416720>Question 416720</A>: <I><SPAN STYLE=\"word-break: break-all;\"> four concentric circles r given .the radius of 1st circle is x.next  is 2x,then 3x and 4x. given that area b/w 2nd and 1st is A and 4th  and 3rd circles being B.find ratio of A to B </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #291902 by </B><A HREF=/tutors/aboutme.mpl?userid=solver91311><B>solver91311(24713)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=solver91311><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=solver91311><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=291902\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font face=\"Times New Roman\" size=\"+2\">\r<BR>\n" );
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document.write( "The area between circle 2 and circle 1 is the area of circle 2 minus the area of circle 1.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \ \ \ \ \ \ \ \ \ \ A\ =\ \pi(2x)^2\ -\ \pi x^2\ =\ 4x^2\pi\ -\ x^2\pi\ =\ 3x^2\pi\">\r<BR>\n" );
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document.write( "The area between circle 4 and circle 3 is the area of circle 4 minus the area of circle 3.  Same deal as before.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \ \ \ \ \ \ \ \ \ \ B\ =\ \pi(4x)^2\ -\ \pi(3x)^2\ =\ 16x^2\pi\ -\ 9x^2\pi\ =\ 7x^2\pi\">\r<BR>\n" );
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document.write( "So\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \ \ \ \ \ \ \ \ \ \ A:B\ =\ \frac{A}{B}\ =\ \frac{3x^2\pi}{7x^2\pi}\ =\ \frac{3}{7}\">\r<BR>\n" );
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document.write( "John<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE e^{i\pi} + 1 = 0\"><BR>\n" );
document.write( "My calculator said it, I believe it, that settles it<BR>\n" );
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