document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=889730>Question 889730</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a father is 7 times his daughter age. In 5 years time he will be 4 times his daughters age. How old is each one<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 #538389 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=538389\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a father is 7 times his daughter age. In 5 years time he will be 4 times his daughters age. How old is each one<BR>\n" );
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document.write( "Equations:<BR>\n" );
document.write( "f = 7d<BR>\n" );
document.write( "f+7 = 4(d+7)<BR>\n" );
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document.write( "Substitute for \"f\" and solve for \"d\"::<BR>\n" );
document.write( "7d+7 = 4d + 28<BR>\n" );
document.write( "3d = 21<BR>\n" );
document.write( "d = 7 yrs (daughter's age now)<BR>\n" );
document.write( "f = 7d = 49 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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