document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=848223>Question 848223</A>: <I><SPAN STYLE=\"word-break: break-all;\"> at present  John's age is 30% of his father's age . Twenty years from now, John's age will be 58% of his father's age . How old are they? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #510952 by </B><A HREF=/tutors/aboutme.mpl?userid=swincher4391><B>swincher4391(1107)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=swincher4391><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=swincher4391><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=510952\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> j = .3f \r<BR>\n" );
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document.write( "j+20 = .58(f+20)\r<BR>\n" );
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document.write( ".3f + 20 = .58(f+20)\r<BR>\n" );
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document.write( ".3f + 20 = .58f + 11.6\r<BR>\n" );
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document.write( ".28f = 8.4\r<BR>\n" );
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document.write( "f = 30\r<BR>\n" );
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document.write( "j = 30*.3 = 9 </SPAN>\n" );
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