document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=13327>Question 13327</A>: <I><SPAN STYLE=\"word-break: break-all;\"> BOB'S FATHER IS 3 TIMES OLD AS BOB. 4 YEARS AGO HE WAS 4 TIMES OLDER. HOW OLD IS BOB? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #6686 by </B><A HREF=/tutors/aboutme.mpl?userid=uksraj><B>uksraj(9)</B></A><img src=\"/images/stars/stars-05.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=uksraj><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=6686\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> let bob's father current  age is x;and that of bob is y<BR>\n" );
document.write( "age at four years ago i.e of father=x-4 & of bob =y-4<BR>\n" );
document.write( "given 3y=x                                 I<BR>\n" );
document.write( "    (x-4)=4*(y-4)                          II<BR>\n" );
document.write( "putting value of equ I in II<BR>\n" );
document.write( "we have 3y-4=4y-16 i.e y=12 & x=3x12=36 </SPAN>\n" );
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