document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1077950>Question 1077950</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A deck of 10 cards consists of 7 cards that are black on both sides, and 3 cards that are black on one side<BR>\n" );
document.write( "and white on the other. 2 cards are selected randomly and placed flat on the table. Calculate the<BR>\n" );
document.write( "probability that 1 black and 1 white side are showing.\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #692436 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=692436\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> There are 20 sides that can be shown, and three are white.<BR>\n" );
document.write( "card 1<BR>\n" );
document.write( "black 17/20==============white 3/20<BR>\n" );
document.write( "card 2=black 16/19; white 3/19=====card 2, black 17/19, white 2/19<BR>\n" );
document.write( "The probability will be 17/20*3/19+3/20*17/19=2*51/380=102/380=0.2684 </SPAN>\n" );
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