document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=242858>Question 242858</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How would you solve the following word problem by setting up two equations?\r<BR>\n" );
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document.write( "The sum of the radii of two circles is 8 cm. Find the radii if the sum of the areas of the circles is 32picm^2. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #177826 by </B><A HREF=/tutors/aboutme.mpl?userid=edjones><B>edjones(8007)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=edjones><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=edjones><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=177826\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let one of the radii=r and the other 8-r<BR>\n" );
document.write( "pi*r^2+pi*(8-r)^2=32pi<BR>\n" );
document.write( "pi*r^2+pi*(r^2-16r+64)=32pi<BR>\n" );
document.write( "2pi*r^2-16pi*r+64pi-32pi=0<BR>\n" );
document.write( "6.28r^2-50.27r+100.53=0<BR>\n" );
document.write( "r=4<BR>\n" );
document.write( "Both radii are 4cm<BR>\n" );
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document.write( "Ed </SPAN>\n" );
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