document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=97126>Question 97126</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The sum of the present ages of Eric nd his father is 58 years. In 10 years, his father will be twice as old as Eric will be at that time. 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 #70698 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley71><B>checkley71(8403)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley71><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=70698\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> e+f=58 or e=58-f<BR>\n" );
document.write( "(e+10)=f+10<BR>\n" );
document.write( "2(58-f+10)=f+10<BR>\n" );
document.write( "116-2f+20=f+10<BR>\n" );
document.write( "-2f-f=10-20-116<BR>\n" );
document.write( "-3f=126<BR>\n" );
document.write( "f=-126/-3<BR>\n" );
document.write( "f=42 age of the father 10 years ago.<BR>\n" );
document.write( "e=58-42<BR>\n" );
document.write( "e=16 age of Eric 10 years ago.<BR>\n" );
document.write( "proof<BR>\n" );
document.write( "42+16=58<BR>\n" );
document.write( "also<BR>\n" );
document.write( "2(58-42+10)=42+10<BR>\n" );
document.write( "2*26=52<BR>\n" );
document.write( "52=52 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );