document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=297630>Question 297630</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Robert builds a wall made from bricks. Each layer has exactly three more bricks than the layer immediately above it. If the wall has five layers, how many bricks will the top layer have if the total number of bricks in the wall is 80? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #214288 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=214288\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 5x +0*3+1*3+2*3+3*3+4*3=80<BR>\n" );
document.write( "5x+30=80<BR>\n" );
document.write( "5x=50<BR>\n" );
document.write( "x=10 top layer<BR>\n" );
document.write( "22 first layer<BR>\n" );
document.write( "check<BR>\n" );
document.write( "10+13+16+19+22<BR>\n" );
document.write( "ok </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );