document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=384030>Question 384030</A>: <I><SPAN STYLE=\"word-break: break-all;\"> v </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #271852 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=271852\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> the present age of father is 4times of his son. 10 years before the age of father was 9times of his son age.find out their present age?<BR>\n" );
document.write( "..<BR>\n" );
document.write( "son= x years<BR>\n" );
document.write( "father = 4x<BR>\n" );
document.write( "..<BR>\n" );
document.write( "10 years ago<BR>\n" );
document.write( "son = x-10<BR>\n" );
document.write( "father = 4x-10<BR>\n" );
document.write( "...<BR>\n" );
document.write( "4x-10=9(x-10)<BR>\n" );
document.write( "4x-10=9x-90<BR>\n" );
document.write( "4x-9x=-90+10<BR>\n" );
document.write( "-5x=-80<BR>\n" );
document.write( "/-5<BR>\n" );
document.write( "x=16 son's age now<BR>\n" );
document.write( "father's age = 4x = 4*16 = 64 years<BR>\n" );
document.write( "...<BR>\n" );
document.write( "m.ananth@hotmail.ca </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );