document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=123753>Question 123753</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Tom's father is 3 times as old as Tom.  4 years ago, he was 4 times older.  How old is Tom? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #91012 by </B><A HREF=/tutors/aboutme.mpl?userid=chitra><B>chitra(359)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=chitra><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=91012\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let the age of Tom be \"x\" yrs.\r<BR>\n" );
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document.write( "Therefore, the age of Tom's father is 3x yrs.\r<BR>\n" );
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document.write( "Given that 4 yrs ago, he was 4 times as old as tom. Therfore the equations are:\r<BR>\n" );
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document.write( "3x - 4 = 4(x - 4) \r<BR>\n" );
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document.write( "3x - 4 = 4x - 16 \r<BR>\n" );
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document.write( "16 - 4 = 4x - 3x\r<BR>\n" );
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document.write( "12 = x\r<BR>\n" );
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document.write( "Therfore, Tom is 12 yrs old\r<BR>\n" );
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document.write( "Hence his father would be 3 times as tom. that is equal to 3(12) = 36 yrs\r<BR>\n" );
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document.write( "Hence the solution\r<BR>\n" );
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document.write( "regs\r<BR>\n" );
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document.write( " </SPAN>\n" );
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