document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=67236>Question 67236</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/1565770390/algebrahomeworkh>Advanced mathematics</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> The ratio of rubies to emeralds was 3 to 1, and the ratio of emeralds todiamonds was 2 to 1. If there were 18 rubies, emeralds, and diamonds in all, how many of each were there? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #47799 by </B><A HREF=/tutors/aboutme.mpl?userid=Nate><B>Nate(3500)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Nate><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=47799\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Rubies to Emeralds 3:1 or 3x to x<BR>\n" );
document.write( "Emeralds to Diamonds 2:1 or 1:0.5 or x to 0.5x<BR>\n" );
document.write( "3x + x + 0.5x = 18<BR>\n" );
document.write( "4.5x = 18<BR>\n" );
document.write( "x = 4<BR>\n" );
document.write( "12 Rubies<BR>\n" );
document.write( "4 Emeralds<BR>\n" );
document.write( "2 Diamonds </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );