document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=422583>Question 422583</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Pat is 24 years older than his son Patrick. In 4 years Pat will be twice as old as Patrick. How old are they now?\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #294988 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=294988\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let s = son's present age<BR>\n" );
document.write( "let f = father's present age<BR>\n" );
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document.write( "Pat is 24 years older than his son Patrick.<BR>\n" );
document.write( "f = s + 24<BR>\n" );
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document.write( "In 4 years Pat will be twice as old as Patrick.<BR>\n" );
document.write( "f + 4 = 2(s + 4)<BR>\n" );
document.write( "f + 4 = 2s + 8<BR>\n" );
document.write( "f = 2s + 8 - 4<BR>\n" );
document.write( "f = 2s + 4<BR>\n" );
document.write( "replace f with (s+24)<BR>\n" );
document.write( "s + 24 = 2s + 4<BR>\n" );
document.write( "24 - 4 = 2s - s<BR>\n" );
document.write( "s = 20 is the son's present age<BR>\n" );
document.write( "then<BR>\n" );
document.write( "20 + 24 = 44 yrs father's age<BR>\n" );
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document.write( "Check in four years father is 48 and son is 24.\r<BR>\n" );
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