document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1019531>Question 1019531</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The father's age 20 years ago is equal to his son's age 10 from now. If the sum of their ages is 50, how old is each now? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #635525 by </B><A HREF=/tutors/aboutme.mpl?userid=FrankM><B>FrankM(1040)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=FrankM><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=FrankM><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=635525\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> F-20=S+10\r<BR>\n" );
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document.write( "F+S=50\r<BR>\n" );
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document.write( "Rearrange first equation\r<BR>\n" );
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document.write( "F=S+30\r<BR>\n" );
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document.write( "Now substitute -\r<BR>\n" );
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document.write( "(S+30)+S=50\r<BR>\n" );
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document.write( "S=10\r<BR>\n" );
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document.write( "F=40 </SPAN>\n" );
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