document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=989434>Question 989434</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Ahmed's family consists of ahmed, his wife and some children. The average age of all family is 22 years.if ahmed age is 46 years old, and the average age of his wife and children is 18 then how many children there in the family\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #609860 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=609860\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Ahmed's family consists of ahmed, his wife and some children.<BR>\n" );
document.write( " The average age of all family is 22 years.<BR>\n" );
document.write( " if ahmed age is 46 years old, and the average age of his wife and children is 18 then how many children there in the family<BR>\n" );
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document.write( "let n = the number of children in the family<BR>\n" );
document.write( "let a = the average of the children's ages<BR>\n" );
document.write( "let w = his wife's age<BR>\n" );
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document.write( "\"The average age of all family is 22 years. Amed is 46.\"<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28w+%2B+na+%2B+46%29%2F%28%28n%2B2%29%29 ALIGN=MIDDLE  ALT=\"%28w+%2B+na+%2B+46%29%2F%28%28n%2B2%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 22<BR>\n" );
document.write( "multiply both sides by (n+2)<BR>\n" );
document.write( "w + na + 46 = 22(n+2)<BR>\n" );
document.write( "w + na + 46 = 22n + 44<BR>\n" );
document.write( "w + na = 22n + 44 - 46<BR>\n" );
document.write( "w + na = 22n - 2<BR>\n" );
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document.write( "\"the average age of his wife and children is 18\"<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28w+%2B+na%29%2F%28n%2B1%29 ALIGN=MIDDLE  ALT=\"%28w+%2B+na%29%2F%28n%2B1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 18<BR>\n" );
document.write( "From the 1st simplified equation we can replace (w+na) with (22n-2)<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2822n-2%29%2F%28n%2B1%29 ALIGN=MIDDLE  ALT=\"%2822n-2%29%2F%28n%2B1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 18<BR>\n" );
document.write( "22n - 2 = 18(n+1)<BR>\n" );
document.write( "22n - 2 = 18n + 18<BR>\n" );
document.write( "22n - 18n = 18 + 2<BR>\n" );
document.write( "4n = 20<BR>\n" );
document.write( "n = 20/4<BR>\n" );
document.write( "n = 5 children in the family   </SPAN>\n" );
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