document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=156913>Question 156913</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Mr.O'Leary is 4 times as old as his son. In 16 years he will be only twice as old. What are their ages. (Hint: If the son is x years old  now, how old will be in another 16 years?) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #115689 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=115689\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 4x=x  son=x thus mr=4*son=4x<BR>\n" );
document.write( "In 16 years they will be:<BR>\n" );
document.write( "4x+16=2(x+16)<BR>\n" );
document.write( "4x+16=2x+32<BR>\n" );
document.write( "4x-2x=32-16<BR>\n" );
document.write( "2x=16<BR>\n" );
document.write( "x=16/2<BR>\n" );
document.write( "x=8 years old for the son.<BR>\n" );
document.write( "Dad=4*8=32 years old.<BR>\n" );
document.write( "Proof:<BR>\n" );
document.write( "4*8+16=2(8+16)<BR>\n" );
document.write( "32+16=2*24<BR>\n" );
document.write( "48=48  </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );