document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=601331>Question 601331</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If a father is 3 times the age of his son and in 10 years is only double the age of his son... how old is the father and son.... need in an equasion </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #379691 by </B><A HREF=/tutors/aboutme.mpl?userid=neatmath><B>neatmath(302)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=neatmath><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=neatmath><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=379691\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br><font face=\"Tahoma\">Let F be the father's current age.<br>\r<BR>\n" );
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document.write( "Let S be the son's current age.<br>\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=F=3%2AS ALIGN=MIDDLE  ALT=\"F=3%2AS\"   DISABLED_style= \"max-width:90%; height:auto;\" >  and  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28F%2B10%29=2%2A%28S%2B10%29 ALIGN=MIDDLE  ALT=\"%28F%2B10%29=2%2A%28S%2B10%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br>\r<BR>\n" );
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document.write( "Since we have F by itself, substitute this value for F into the second equation:<br>\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28F%2B10%29=2%2A%28S%2B10%29 ALIGN=MIDDLE  ALT=\"%28F%2B10%29=2%2A%28S%2B10%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br>\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%283%2AS%2B10%29=2%2A%28S%2B10%29 ALIGN=MIDDLE  ALT=\"%283%2AS%2B10%29=2%2A%28S%2B10%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br>\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3%2AS%2B10=2%2AS%2B20%29 ALIGN=MIDDLE  ALT=\"3%2AS%2B10=2%2AS%2B20%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br>\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=S=10%29 ALIGN=MIDDLE  ALT=\"S=10%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br>\r<BR>\n" );
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document.write( "If S=10, then we know<br>\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=F=3%2AS ALIGN=MIDDLE  ALT=\"F=3%2AS\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br>\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=F=3%2A10 ALIGN=MIDDLE  ALT=\"F=3%2A10\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br>\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=F=30 ALIGN=MIDDLE  ALT=\"F=30\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br>\r<BR>\n" );
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document.write( "Thus, the father is currently 30 years old, and his son is 10 years old.<br>\r<BR>\n" );
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document.write( "I hope this helps!  :)<br>\r<BR>\n" );
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document.write( "*******************************************************<br>\r<BR>\n" );
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document.write( "Email Scott King: neatmath@yahoo.com for help with specific problems,<br>\r<BR>\n" );
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document.write( "or to inquire about low-cost mathematics tutoring via email or other methods.<br>\r<BR>\n" );
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document.write( "Paypal is always accepted for detailed assistance with single problems.<br>\r<BR>\n" );
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document.write( "Single problems would range from 50 cents to 5 dollars each, depending on their complexity.<br><br> </SPAN>\n" );
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