document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=260308>Question 260308</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Bob and Kate are brother and sister. Bob has twice as many sisters as brothers, and Kate has as many brothers as sisters. How many boys and girls are there in this family? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #191731 by </B><A HREF=/tutors/aboutme.mpl?userid=drk><B>drk(1908)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=drk><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=191731\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let X = bob and Y = kate<BR>\n" );
document.write( "according to kate,<BR>\n" );
document.write( "X: B = 2S<BR>\n" );
document.write( "according to bob<BR>\n" );
document.write( "Y: S = B<BR>\n" );
document.write( "Now<BR>\n" );
document.write( "kate + brothers + sisters = bob + brothers + 2*sisters<BR>\n" );
document.write( "which means that<BR>\n" );
document.write( "X + B + 2S = Y + B + S<BR>\n" );
document.write( "subtracting B, we get<BR>\n" );
document.write( "X + 2S = Y + S<BR>\n" );
document.write( "subtracting S, we get<BR>\n" );
document.write( "X + S= Y <BR>\n" );
document.write( "in other words,<BR>\n" );
document.write( "kate = (multiple)*(brother + sister)<BR>\n" );
document.write( "--<BR>\n" );
document.write( "So we have<BR>\n" );
document.write( "bob has 2 brother and 4 sisters for a total of 7 kids<BR>\n" );
document.write( "kate has 3 brothers and 3 sisters for a total of 7 kids<BR>\n" );
document.write( "There are 3 boys and 4 girls </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );