document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1148524>Question 1148524</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The ratio of an angle's complement to its supplement is 3: 13. How large is the angle?<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #769869 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=769869\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The ratio of an angle's complement to its supplement is 3: 13.<BR>\n" );
document.write( " How large is the angle?<BR>\n" );
document.write( ":<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28%2890-A%29%29%2F%28%28180-A%29%29 ALIGN=MIDDLE  ALT=\"%28%2890-A%29%29%2F%28%28180-A%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3%2F13 ALIGN=MIDDLE  ALT=\"3%2F13\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "3(180-A) = 13(90-A)<BR>\n" );
document.write( "540 - 3a = 1170 - 13A<BR>\n" );
document.write( "-3A + 13A = 1170 - 540<BR>\n" );
document.write( "10A = 630<BR>\n" );
document.write( "A = 63 degrees is the angle<BR>\n" );
document.write( ":<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Check<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=27%2F117 ALIGN=MIDDLE  ALT=\"27%2F117\"   DISABLED_style= \"max-width:90%; height:auto;\" > reduces to <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3%2F13 ALIGN=MIDDLE  ALT=\"3%2F13\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );