document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=774062>Question 774062</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Johns father is 61 years old. The difference between his age 4 years ago and johns age in 1 year is equal to Johns age now. How old is John? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #472076 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=472076\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> let j = John's present age<BR>\n" );
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document.write( "Johns father is 61 years old.<BR>\n" );
document.write( " The difference between his age 4 years ago and johns age in 1 year is equal to Johns age now.<BR>\n" );
document.write( "61 - 4 - (j + 1) = j<BR>\n" );
document.write( "57 - j - 1 = j<BR>\n" );
document.write( "57 - 1 = j + j<BR>\n" );
document.write( "56 = 2j<BR>\n" );
document.write( "j = 56/2<BR>\n" );
document.write( "j = 28 yrs<BR>\n" );
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