document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=369336>Question 369336</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How many 1 inch equiltateral triangles are needed to build a chain of triangles that has a perimeter of 20 inches? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #263262 by </B><A HREF=/tutors/aboutme.mpl?userid=robertb><B>robertb(5830)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=robertb><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=robertb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=263262\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x+(x+1)+2 = 20<BR>\n" );
document.write( "2x + 3 = 20, or 2x = 17, no integer solution.<BR>\n" );
document.write( "x+x+2 = 20,<BR>\n" );
document.write( "2x  = 18, or x = 9.  Therefore you need 2*9 = 18 1 inch equilateral triangles.(9 at the top, 9 at the bottom.) </SPAN>\n" );
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