document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=929761>Question 929761</A>: <I><SPAN STYLE=\"word-break: break-all;\">  In a family, a couple has a son and a daughter. The age of the father is four times that of his daughter and the age of the son is half of that of his mother. The wife is 8 years younger to her husband and the brother is seven years older than his sister. What is the age of the mother? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #567819 by </B><A HREF=/tutors/aboutme.mpl?userid=ptfile><B>ptfile(81)</B></A><img src=\"/images/stars/stars-08.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ptfile><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=ptfile><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=567819\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The age of the father is four times that of his daughter.<BR>\n" );
document.write( "f=4s<BR>\n" );
document.write( "the age of the son is half of that of his mother.<BR>\n" );
document.write( "b=1/2m or m=2b<BR>\n" );
document.write( "brother is seven years older than his sister.<BR>\n" );
document.write( "b=s+7<BR>\n" );
document.write( "The wife is 8 years younger to her husband.<BR>\n" );
document.write( "f=m+8 or 4s=2(s+7)+8<BR>\n" );
document.write( "4s=2(s+7)+8<BR>\n" );
document.write( "4s=2s+14+8<BR>\n" );
document.write( "4s=2s+22<BR>\n" );
document.write( "2s=22<BR>\n" );
document.write( " s=11<BR>\n" );
document.write( " b=18<BR>\n" );
document.write( " m=36<BR>\n" );
document.write( " f=44\r<BR>\n" );
document.write( "\n" );
document.write( "The wife's age is 36 years old.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );