document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=837833>Question 837833</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A father is now only three times as old as his son but eight years ago the father was five times as old as his son. 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 #504859 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=504859\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let f = father's present age<BR>\n" );
document.write( "let s = son's present age<BR>\n" );
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document.write( "A father is now only three times as old as his son<BR>\n" );
document.write( "f = 3s<BR>\n" );
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document.write( "eight years ago the father was five times as old as his son.<BR>\n" );
document.write( "f - 8 = 5(s-8)<BR>\n" );
document.write( "f - 8 = 5s - 40<BR>\n" );
document.write( "f = 5s - 40 + 8<BR>\n" );
document.write( "f = 5s - 32<BR>\n" );
document.write( "Replace f with 3s from the 1st statement<BR>\n" );
document.write( "3s = 5s - 32<BR>\n" );
document.write( "32 = 5s - 3s<BR>\n" );
document.write( "32 = 2s<BR>\n" );
document.write( "s = 16 is son's present age<BR>\n" );
document.write( "I'll let you find father's age, check your solutions in the 2nd statement\r<BR>\n" );
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document.write( " Find their present ages. </SPAN>\n" );
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