document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=731384>Question 731384</A>: <I><SPAN STYLE=\"word-break: break-all;\"> if a father is 43 years old and his son is 7 years old, in how many years will the father be three times as old as 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 #447130 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley79><B>checkley79(3341)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley79><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=447130\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (45+X)/(7+X)=3/1<BR>\n" );
document.write( "3(7+X)=45+X<BR>\n" );
document.write( "21+3X=45+X<BR>\n" );
document.write( "3X-X=45-21<BR>\n" );
document.write( "2X=24<BR>\n" );
document.write( "X=24/2<BR>\n" );
document.write( "X=12 YEARS FROM NOW IS THE ANSWER.<BR>\n" );
document.write( "PROOF:<BR>\n" );
document.write( "(45+12)/(7+12)=3/1<BR>\n" );
document.write( "57/19=3/1<BR>\n" );
document.write( "3*19=1*57<BR>\n" );
document.write( "57=57<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );