document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=639742>Question 639742</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In a plastic jar there are 5 red marbles,<BR>\n" );
document.write( "7 blue marbles, and 3 green marbles. How<BR>\n" );
document.write( "many green marbles need to be added to<BR>\n" );
document.write( "the jar in order to double the probability of<BR>\n" );
document.write( "selecting a green marble?\r<BR>\n" );
document.write( "\n" );
document.write( "a.2<BR>\n" );
document.write( "b.3<BR>\n" );
document.write( "c.5<BR>\n" );
document.write( "d.6<BR>\n" );
document.write( "e.7 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #402864 by </B><A HREF=/tutors/aboutme.mpl?userid=reviewermath><B>reviewermath(1029)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=reviewermath><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=reviewermath><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=402864\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let x = number of green marbles<BR>\n" );
document.write( "probability of selecting green marble = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%283+%2B+x%29%2F%2815+%2B+x%29+=+2%2F5 ALIGN=MIDDLE  ALT=\"%283+%2B+x%29%2F%2815+%2B+x%29+=+2%2F5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=15+%2B+5x+=+30+%2B+2x ALIGN=MIDDLE  ALT=\"15+%2B+5x+=+30+%2B+2x\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3x+=+15 ALIGN=MIDDLE  ALT=\"3x+=+15\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+5 ALIGN=MIDDLE  ALT=\"x+=+5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Answer: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%285%29 ALIGN=MIDDLE  ALT=\"highlight%285%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );