document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=997826>Question 997826</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Afather was 30 yrs old when his son was born. After how many years will the age of the father be four times the age of the son? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #615755 by </B><A HREF=/tutors/aboutme.mpl?userid=fractalier><B>fractalier(6550)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=fractalier><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=fractalier><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=615755\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Call x the number of years we are looking for...<BR>\n" );
document.write( "At any time in the future, the boy's age will be x and the father's age will be 30 + x.<BR>\n" );
document.write( "We want to know when<BR>\n" );
document.write( "30 + x = 4x<BR>\n" );
document.write( "30 = 3x<BR>\n" );
document.write( "x = 10 years<BR>\n" );
document.write( "The son will be ten and the father will be forty. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );