document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1069750>Question 1069750</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Todd uses 21 white tiles and some black tiles to make a mosaic.the mosaic has a total area of 144 square centimeters. Each tile has an area of 3 square centimeters. How many black tiles did Todd use? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #684879 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=684879\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The total number of tiles is:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+144%2F3+=+48+ ALIGN=MIDDLE  ALT=\"+144%2F3+=+48+\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "-----------------------------<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+21+ ALIGN=MIDDLE  ALT=\"+21+\"   DISABLED_style= \"max-width:90%; height:auto;\" > white tiles have a total<BR>\n" );
document.write( "of <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+3%2A21+=+63+ ALIGN=MIDDLE  ALT=\"+3%2A21+=+63+\"   DISABLED_style= \"max-width:90%; height:auto;\" > cm2<BR>\n" );
document.write( "-----------------------------<BR>\n" );
document.write( "The remaining area is:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+144+-+63+=+81+ ALIGN=MIDDLE  ALT=\"+144+-+63+=+81+\"   DISABLED_style= \"max-width:90%; height:auto;\" > cm2<BR>\n" );
document.write( "-----------------------------<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+81%2F3+=+27+ ALIGN=MIDDLE  ALT=\"+81%2F3+=+27+\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "There are 27 black tiles<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=+21+%2B+27+=+48+ ALIGN=MIDDLE  ALT=\"+21+%2B+27+=+48+\"   DISABLED_style= \"max-width:90%; height:auto;\" > tiles total<BR>\n" );
document.write( "OK<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );