document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=245741>Question 245741</A>: <I><SPAN STYLE=\"word-break: break-all;\"> my father is 4 times older then me. in 20 years he will be only twice as old as me, how old am i and my father.  what is the mathmatic problem and the steps to solve it </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #179446 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=179446\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> let f=father<BR>\n" );
document.write( "let m=me<BR>\n" );
document.write( "f=4m<BR>\n" );
document.write( "f+20=2(m+20)<BR>\n" );
document.write( "substitute f in second equation with 4m<BR>\n" );
document.write( "4m+20=2(m+20)<BR>\n" );
document.write( "4m+20=2m+40<BR>\n" );
document.write( "subtract 2m from both sides<BR>\n" );
document.write( "2m+20=40<BR>\n" );
document.write( "subtract 20 from both sides<BR>\n" );
document.write( "2m=20<BR>\n" );
document.write( "divide by 2<BR>\n" );
document.write( "m=10<BR>\n" );
document.write( "f=4m<BR>\n" );
document.write( "f=4*10=40<BR>\n" );
document.write( "check\r<BR>\n" );
document.write( "\n" );
document.write( "40+20=2(10+20)\r<BR>\n" );
document.write( "\n" );
document.write( "40+20=2(30)=60<BR>\n" );
document.write( "60=60<BR>\n" );
document.write( "ok<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );