document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=940009>Question 940009</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Sarah's father is four times as old as mary. Five years ago he was seven times as old. How old is Mary and her father? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #572845 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=572845\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Sarah's father is four times as old as mary. Five years ago he was seven times as old. How old is Mary and her father?<BR>\n" );
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document.write( "Equations:<BR>\n" );
document.write( "f = 4m<BR>\n" );
document.write( "f-5 = 7(m-5)<BR>\n" );
document.write( "-------<BR>\n" );
document.write( "Substitute and solve for \"m\"::<BR>\n" );
document.write( "4m-5 = 7m-35<BR>\n" );
document.write( "3m = 30<BR>\n" );
document.write( "m = 10 yrs (Mary's age now)<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "f = 4m = 40 yrs (Father's age now)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "------------ </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );