document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=945028>Question 945028</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A father is now 7 times as old as his son in 5 years he will be 4 times as old as his son will be then. what are their present ages?<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 #576587 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=576587\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A father is now 7 times as old as his son in 5 years he will be 4 times as old as his son will be then. what are their present ages?<BR>\n" );
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document.write( "f = 7s<BR>\n" );
document.write( "f+5 = 4(s+5)<BR>\n" );
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document.write( "Substitute and solve for \"f\":::<BR>\n" );
document.write( "7s + 5 = 4s + 20<BR>\n" );
document.write( "3s = 15<BR>\n" );
document.write( "s = 5 yrs (son's age now)<BR>\n" );
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document.write( "Solve for \"f\"::<BR>\n" );
document.write( "f = 7s<BR>\n" );
document.write( "f = 35 yrs (father's age now)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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