document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=560466>Question 560466</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A man is twice as old as his son. His son is twice as old as his sister. The total age is 84. What is the father's age? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #363890 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=363890\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  A man is twice as old as his son. His son is twice as old as his sister. The total age is 84. What is the father's age?<BR>\n" );
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document.write( "Equations:<BR>\n" );
document.write( "m = 2s<BR>\n" );
document.write( "s = 2S<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "m + s + S = 84<BR>\n" );
document.write( "2s + s + (s/2) = 84<BR>\n" );
document.write( "---<BR>\n" );
document.write( "(7/2)s = 84<BR>\n" );
document.write( "(1/2)s = 12<BR>\n" );
document.write( "s = 24 yrs (son's age)<BR>\n" );
document.write( "m = 2s = 48 (man's age)<BR>\n" );
document.write( "S = s/2 = 12 (sister's age)<BR>\n" );
document.write( "===============================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );