document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=543176>Question 543176</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The age of a person is twice the sum of the ages of his two sons and five years ago his age was thrice the sum of their ages.find  his present age. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #354777 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=354777\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The age of a person is twice the sum of the ages of his two sons and five years ago his age was thrice the sum of their ages.find  his present age.<BR>\n" );
document.write( "**<BR>\n" );
document.write( "let x=present age of father<BR>\n" );
document.write( "let y=sum of ages of two sons<BR>\n" );
document.write( "..<BR>\n" );
document.write( "At present:<BR>\n" );
document.write( "x=2y<BR>\n" );
document.write( "5 years ago:<BR>\n" );
document.write( "x-5=3(y-10)<BR>\n" );
document.write( "substitute 2y for x<BR>\n" );
document.write( "2y-5=3y-30<BR>\n" );
document.write( "y=25<BR>\n" );
document.write( "x=2y=50<BR>\n" );
document.write( "Ans:<BR>\n" );
document.write( "Present age of father=25 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );