document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=763575>Question 763575</A>: <I><SPAN STYLE=\"word-break: break-all;\"> in 5 years time a father will be twice as old as his son will be. four years ago he was three times as old as his son was. find their present ages? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #464872 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=464872\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> in 5 years time a father will be twice as old as his son will be. four years ago he was three times as old as his son was. find their present ages?<BR>\n" );
document.write( "***<BR>\n" );
document.write( "4 yrs ago:<BR>\n" );
document.write( "x=son's age<BR>\n" );
document.write( "3x=father's age<BR>\n" );
document.write( "..<BR>\n" );
document.write( "At present<BR>\n" );
document.write( "x+4=son'age<BR>\n" );
document.write( "3x+4=father's age<BR>\n" );
document.write( "..<BR>\n" );
document.write( "5 yrs from now:<BR>\n" );
document.write( "x+4+5=x+9=son'age<BR>\n" );
document.write( "3x+4+5=3x+9=father's age<BR>\n" );
document.write( "3x+9=2(x+9)<BR>\n" );
document.write( "3x+9=2x+18<BR>\n" );
document.write( "x=9<BR>\n" );
document.write( "son's present age=x+4=13<BR>\n" );
document.write( "father's present age=3x+4=31 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );