document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1084354>Question 1084354</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A father is 6 times as old as his son.4 year's later his father will be only 4 times of his son.what are their ages\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 #698457 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52800)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><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=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=698457\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .<BR>\n" );
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document.write( "F = 6*S,             (1)    (\"A father is 6 times as old as his son\")\r\n" );
document.write( "F + 4 = 4*(S+4).     (2)    (\"4 year's later his father will be only 4 times of his son\")\r\n" );
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document.write( "From (1), substitute F = 6*S into equation (2). You will get\r\n" );
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document.write( "6S + 4 = 4S + 16,\r\n" );
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document.write( "2S = 16-4 = 12  ---->  S = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=12%2F2 ALIGN=MIDDLE  ALT=\"12%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 6.\r\n" );
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document.write( "Thus, the son is 6 years old now.\r\n" );
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document.write( "Then the father is 6*6 = 36 years old.\r\n" );
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document.write( "Solved.\r<BR>\n" );
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document.write( "There is a bunch of lessons on age word problems \r<BR>\n" );
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document.write( "&nbsp;&nbsp;&nbsp;&nbsp;- <A  rel=nofollow HREF=http://www.algebra.com/algebra/homework/word/age/Age-problems-and-their-solutions.lesson>Age problems and their solutions</A>\r<BR>\n" );
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document.write( "&nbsp;&nbsp;&nbsp;&nbsp;- <A  rel=nofollow HREF=http://www.algebra.com/algebra/homework/word/age/Fresh-formulation-of-a-traditional-age-problem.lesson>A fresh formulation of a traditional age problem</A>\r<BR>\n" );
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document.write( "&nbsp;&nbsp;&nbsp;&nbsp;- <A  rel=nofollow HREF=http://www.algebra.com/algebra/homework/word/age/Really-intricate-age-word-problem.lesson>Really intricate age word problem</A>\r<BR>\n" );
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document.write( "&nbsp;&nbsp;&nbsp;&nbsp;- <A  rel=nofollow HREF=https://www.algebra.com/algebra/homework/word/age/Selected-age-word-problems-from-the-archive.lesson>Selected age word problems from the archive</A>\r<BR>\n" );
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document.write( "in this site.\r<BR>\n" );
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document.write( "Read them and become an expert in solving age problems.\r<BR>\n" );
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document.write( "Also, you have this free of charge online textbook in ALGEBRA-I in this site\r<BR>\n" );
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document.write( "&nbsp;&nbsp;&nbsp;&nbsp;- <A  rel=nofollow HREF=https://www.algebra.com/algebra/homework/quadratic/lessons/ALGEBRA-I-YOUR-ONLINE-TEXTBOOK.lesson>ALGEBRA-I - YOUR ONLINE TEXTBOOK</A>.\r<BR>\n" );
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document.write( "The referred lessons are the part of this online textbook under the topic \"<U>Age word problems</U>\".\r<BR>\n" );
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