document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=211729>Question 211729</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Each side of an equilateral triangle is 4 cm longer than the side of a square. The sum of the perimeters of the two figures is 96 cm. How long is each side of the triangle? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #160024 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=160024\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 3(x+3)+4*x=96<BR>\n" );
document.write( "3x+9+4x=96<BR>\n" );
document.write( "7x=96-9<BR>\n" );
document.write( "7x=87<BR>\n" );
document.write( "x=87/7<BR>\n" );
document.write( "x=12.42857 cm. is the side of the square.<BR>\n" );
document.write( "Proof:<BR>\n" );
document.write( "3(12.42857+3)+4*12.42857=96<BR>\n" );
document.write( "3*15.42857+49.71428=96<BR>\n" );
document.write( "46.28571+49.71428=96<BR>\n" );
document.write( "96~96 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );