document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=935866>Question 935866</A>: <I><SPAN STYLE=\"word-break: break-all;\"> When the average age of a family comptiseing husband wife and their son  was 42 years the son got maeried and a child was born to him just 1 year afer the marriage.when the child turned to be 5 years then the average age of the family became 36 years .what was the age of the daughter in law at the time of marrige? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #569324 by </B><A HREF=/tutors/aboutme.mpl?userid=KMST><B>KMST(5328)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=KMST><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=KMST><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=569324\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let's define some variables.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f ALIGN=MIDDLE  ALT=\"f\"   DISABLED_style= \"max-width:90%; height:auto;\" >= age of the father/husband at the time of the marriage.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=m ALIGN=MIDDLE  ALT=\"m\"   DISABLED_style= \"max-width:90%; height:auto;\" >= age of the mother/wife at the time of the marriage.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=s ALIGN=MIDDLE  ALT=\"s\"   DISABLED_style= \"max-width:90%; height:auto;\" >= age of the son at the time of the marriage.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d ALIGN=MIDDLE  ALT=\"d\"   DISABLED_style= \"max-width:90%; height:auto;\" >= age of the daughter-in-law at the time of the marriage.<BR>\n" );
document.write( "At the time of the marriage, the average age of a family comprising father/husband, mother/wife and their son was 42, so<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%2Bm%2Bs%29%2F3=42 ALIGN=MIDDLE  ALT=\"f%2Bm%2Bs%29%2F3=42\"   DISABLED_style= \"max-width:90%; height:auto;\" ><---><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%2Bm%2Bs=42%2A3 ALIGN=MIDDLE  ALT=\"f%2Bm%2Bs=42%2A3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><---><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%2Bm%2Bs=126 ALIGN=MIDDLE  ALT=\"f%2Bm%2Bs=126\"   DISABLED_style= \"max-width:90%; height:auto;\" > .<BR>\n" );
document.write( "After 1 year the newlyweds had a child,<BR>\n" );
document.write( "and 5 years after that, meaning <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2B5=6 ALIGN=MIDDLE  ALT=\"1%2B5=6\"   DISABLED_style= \"max-width:90%; height:auto;\" > years after the marriage,<BR>\n" );
document.write( "the child was 5,<BR>\n" );
document.write( "and everyone else was 6 years older.<BR>\n" );
document.write( "The old husband/father was <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%2B6 ALIGN=MIDDLE  ALT=\"f%2B6\"   DISABLED_style= \"max-width:90%; height:auto;\" > ;<BR>\n" );
document.write( "the old wife/mother was <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=m%2B6 ALIGN=MIDDLE  ALT=\"m%2B6\"   DISABLED_style= \"max-width:90%; height:auto;\" > ;<BR>\n" );
document.write( "the married son was <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=s%2B6 ALIGN=MIDDLE  ALT=\"s%2B6\"   DISABLED_style= \"max-width:90%; height:auto;\" > , and<BR>\n" );
document.write( "the daughter-in-law was <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%2B6 ALIGN=MIDDLE  ALT=\"d%2B6\"   DISABLED_style= \"max-width:90%; height:auto;\" > .<BR>\n" );
document.write( "The average age for that 5-person family was<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28%28f%2B6%29%2B%28m%2B6%29%2B%28s%2B6%29%2B%28d%2B6%29%2B5%29%2F5=36 ALIGN=MIDDLE  ALT=\"%28%28f%2B6%29%2B%28m%2B6%29%2B%28s%2B6%29%2B%28d%2B6%29%2B5%29%2F5=36\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28f%2Bm%2Bs%2Bd%2B6%2B6%2B6%2B6%2B5%29%2F5=36 ALIGN=MIDDLE  ALT=\"%28f%2Bm%2Bs%2Bd%2B6%2B6%2B6%2B6%2B5%29%2F5=36\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%2Bm%2Bs%2Bd%2B6%2B6%2B6%2B6%2B5=36%2A5 ALIGN=MIDDLE  ALT=\"f%2Bm%2Bs%2Bd%2B6%2B6%2B6%2B6%2B5=36%2A5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28f%2Bm%2Bs%29%2Bd%2B29=180 ALIGN=MIDDLE  ALT=\"%28f%2Bm%2Bs%29%2Bd%2B29=180\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=155%2Bd=180 ALIGN=MIDDLE  ALT=\"155%2Bd=180\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d=180-155 ALIGN=MIDDLE  ALT=\"d=180-155\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28d=25%29 ALIGN=MIDDLE  ALT=\"highlight%28d=25%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );