document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=38009>Question 38009</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Phil & phyllis are siblings. phyllis  has twice as  many   brothers <BR>\n" );
document.write( "as she  has sisters. phil has  the same   number of  brothers as <BR>\n" );
document.write( "sisters. how many  girls  and how many  boys?''.\r<BR>\n" );
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document.write( "I can figure out    the awnser in my head but i have  no  idea  how  to  put it into a equation  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #26423 by </B><A HREF=/tutors/aboutme.mpl?userid=psbhowmick><B>psbhowmick(878)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=psbhowmick><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=psbhowmick><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=26423\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Noun \"phyllis\" has been qualified with verb \"she\". So phyllis is girl.<BR>\n" );
document.write( "Let the number of her sisters = x, then number of her brothers = 2x.<BR>\n" );
document.write( "So total brothers and sisters of phyllis (including herself) = 2x + x + 1 = 3x + 1.\r<BR>\n" );
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document.write( "Note: It has not been mentioned whether phil is a girl or a boy.\r<BR>\n" );
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document.write( "First case: Let us assume that phil is boy.<BR>\n" );
document.write( "Then the number of his brothers = 2x - 1 (as he himself is not included)<BR>\n" );
document.write( "and the number of his sisters = x + 1 (x = no. of sisters of phyllis who herself is a girl)<BR>\n" );
document.write( "As no. of sisters = no. of brothers, so 2x - 1 = x + 1 or x = 2.\r<BR>\n" );
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document.write( "Second case: Let us assume that phil is a girl.<BR>\n" );
document.write( "Then the number of her brothers = 2x<BR>\n" );
document.write( "and the number of her sisters = x (x = no. of sisters of phyllis who herself is a girl)<BR>\n" );
document.write( "As no. of sisters = no. of brothers, so 2x = x or 1 = 2.<BR>\n" );
document.write( "This is not possible.<BR>\n" );
document.write( "So phil cannot be a girl.\r<BR>\n" );
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document.write( "Thus phyllis has 2 sisters and 4 brothers, making a total of 3 girls and 4 boys. </SPAN>\n" );
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