document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=802245>Question 802245</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a teacher has 7 boys and 20 girls in her class. In how many ways can she select 4 of the children to be in a play if she must select 2 boys and 2 girls </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #483809 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=483809\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a teacher has 7 boys and 20 girls in her class. In how many ways can she select 4 of the children to be in a play if she must select 2 boys and 2 girls<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "# of ways to select 2 boys: 7C2 = 21<BR>\n" );
document.write( "# of ways to select 2 girls: 20C2 = (20*19)/(1*2) = 190<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "# of ways to select 2 boys and 2 girls: 21*190 = 3990<BR>\n" );
document.write( "==============<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "==============<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );