document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1206870>Question 1206870</A>: <I><SPAN STYLE=\"word-break: break-all;\"> There were 5/7 as many red marbles as blue marbles in a jar. Dave took some blue marbles out of the jar and replaced them with the same number of red marbles. The number of red marbles became 5/9 of all the marbles in the jar. Which of the following is a possible number of blue marbles that were replaced? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #844566 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=844566\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> B blue marbles at first<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5B%2F7 ALIGN=MIDDLE  ALT=\"5B%2F7\"   DISABLED_style= \"max-width:90%; height:auto;\" > red marbles at first\r<BR>\n" );
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document.write( "x blue marbles removed and replaced with red marbles.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=B-x ALIGN=MIDDLE  ALT=\"B-x\"   DISABLED_style= \"max-width:90%; height:auto;\" > blue marbles<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5B%2F7%2Bx ALIGN=MIDDLE  ALT=\"5B%2F7%2Bx\"   DISABLED_style= \"max-width:90%; height:auto;\" > red marbles\r<BR>\n" );
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document.write( " red marbles became 5/9 of all the marbles in the jar. <BR>\n" );
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document.write( "Two equations can be made.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=B%2B5B%2F7=%28B-x%29%2B%285B%2F7%2Bx%29 ALIGN=MIDDLE  ALT=\"B%2B5B%2F7=%28B-x%29%2B%285B%2F7%2Bx%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=and ALIGN=MIDDLE  ALT=\"and\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5B%2F7%2Bx=%285%2F9%29%28B%2B5B%2F7%29 ALIGN=MIDDLE  ALT=\"5B%2F7%2Bx=%285%2F9%29%28B%2B5B%2F7%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=12B%2F7=12B%2F7 ALIGN=MIDDLE  ALT=\"12B%2F7=12B%2F7\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=45B%2F7%2B9x=5%2812B%2F7%29 ALIGN=MIDDLE  ALT=\"45B%2F7%2B9x=5%2812B%2F7%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=45B%2B63x=35%2A12B ALIGN=MIDDLE  ALT=\"45B%2B63x=35%2A12B\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=63x=35%2A12B ALIGN=MIDDLE  ALT=\"63x=35%2A12B\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "7*9x=7*5*12B<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=9x=60B ALIGN=MIDDLE  ALT=\"9x=60B\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3x=20B ALIGN=MIDDLE  ALT=\"3x=20B\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Maybe something was missed.  Did you have choices to pick from?\r<BR>\n" );
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document.write( "x and  B must both be Natural numbers.  See from the <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3x=20B ALIGN=MIDDLE  ALT=\"3x=20B\"   DISABLED_style= \"max-width:90%; height:auto;\" >, B could be 3, and then x would be 20. </SPAN>\n" );
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