document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=140436>Question 140436</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A jar has twice as many red marbles as white marbles and the ratio of blue marbles to white marbles in the jar is 3:5.  There are only red, white and blue marbles in the jar.  If there are 2100 more red marbles than blue ones, how many marbles are in the jar altogether?\r<BR>\n" );
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document.write( "so far I came up with 6600 white, 11000 blue and 13200 red but that gives me 2200 more red and I need 2100. I just cant think anymore.. Am I close?  Maria </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #102270 by </B><A HREF=/tutors/aboutme.mpl?userid=scott8148><B>scott8148(6628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=scott8148><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=scott8148><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=102270\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> \"twice as many red marbles as white marbles\" __ r=2w\r<BR>\n" );
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document.write( "\"ratio of blue marbles to white marbles in the jar is 3:5\" __ b/w=3/5 __ 5b/3=w\r<BR>\n" );
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document.write( "\"2100 more red marbles than blue ones\" __ r=b+2100\r<BR>\n" );
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document.write( "substituting __ b+2100=2(5b/3) __ 3b+6300=10b __ 6300=7b __ 900=b\r<BR>\n" );
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document.write( "substituting __ r=900+2100 __ r=3000\r<BR>\n" );
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document.write( "substituting __ 3000=2w __ 1500=w </SPAN>\n" );
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