document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=584727>Question 584727</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Feye's grandfather is seven more than six times Faye's age.The square of Faye's age is nine more than her grandfather's age.What are their age now?<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 #372874 by </B><A HREF=/tutors/aboutme.mpl?userid=htmentor><B>htmentor(1343)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=htmentor><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=htmentor><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=372874\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let f = Faye's age<BR>\n" );
document.write( "Her grandfather's age is 7 more than 6 times Faye's age<BR>\n" );
document.write( "In equation form, her grandfather's age can be written as 6f + 7<BR>\n" );
document.write( "The square of Faye's age is 9 more than her grandfather's:<BR>\n" );
document.write( "f^2 = (6f+7) + 9<BR>\n" );
document.write( "f^2 - 6f - 16 = 0<BR>\n" );
document.write( "Factor:<BR>\n" );
document.write( "(f-8)(f+2) = 0<BR>\n" );
document.write( "Since Faye's age has to be positive, the answer is f=8<BR>\n" );
document.write( "So Faye is 8 yrs old, her grandfather is 6*8 + 7 = 55 yrs old </SPAN>\n" );
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