document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1189376>Question 1189376</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If there are 2 red balls, 4 blue balls, 6 white balls and a certain number of black balls in a container and the odds of selecting a black ball are 1 out of 5, how many black balls are there? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #820716 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=820716\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 12+b=number of balls<BR>\n" );
document.write( "get 1 choice<BR>\n" );
document.write( "b/(b+12)=(1/5)<BR>\n" );
document.write( "cross-multiply<BR>\n" );
document.write( "5b=b+12<BR>\n" );
document.write( "4b=12<BR>\n" );
document.write( "b=3 black balls<BR>\n" );
document.write( "3/15=1/5\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );