document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=615365>Question 615365</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Average age of 4 sons of a family is 12 years. Average age of sons together with their parents is 28 years. If father is older than mother by 6 years . Find the age of mother? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #387113 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=387113\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Average age of 4 sons of a family is 12 years. Average age of sons together with their parents is 28 years. If father is older than mother by 6 years . Find the age of mother?<BR>\n" );
document.write( "**<BR>\n" );
document.write( "let x=age of mother<BR>\n" );
document.write( "x+6=age of father<BR>\n" );
document.write( "..<BR>\n" );
document.write( "Total age of 4 sons/4=12<BR>\n" );
document.write( "Total age of 4 sons=48<BR>\n" );
document.write( "..<BR>\n" );
document.write( "(Total age of 4 sons+father's age+mother's age)/6=28<BR>\n" );
document.write( "(48+x+6+x)/6=28<BR>\n" );
document.write( "48+x+6+x=168<BR>\n" );
document.write( "2x=168-54=114<BR>\n" );
document.write( "x=114/2<BR>\n" );
document.write( "x=57<BR>\n" );
document.write( "ans:<BR>\n" );
document.write( "age of mother=57\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );