document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1141621>Question 1141621</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A box initially contained 30 chess pawns, all either black or white. The probability of drawing a white pawn was 2/5. Some more white pawns we’re added to the box so that the probability of picking out a white pawn was raised to 1/2. How many white pawns were added to the box ?<BR>\n" );
document.write( "A)2<BR>\n" );
document.write( "B)3<BR>\n" );
document.write( "C)6<BR>\n" );
document.write( "D)18 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #762198 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=762198\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 30 pawns with 2/5 probability of white means 12 were white\r<BR>\n" );
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document.write( "(12+x)/(30+x)=1/2<BR>\n" );
document.write( "cross multiply and 15+(1/2)x=12+x<BR>\n" );
document.write( "3=(1/2)x<BR>\n" );
document.write( "x=6 pawns ANSWER<BR>\n" );
document.write( "now there are 36 with 18 white. </SPAN>\n" );
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