document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1007365>Question 1007365</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Johnny is Betty's father and is four times older than Betty. Five years ago, he was 7 times older than Betty. How old is Betty's father? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #623308 by </B><A HREF=/tutors/aboutme.mpl?userid=tiffany222><B>tiffany222(56)</B></A><img src=\"/images/stars/stars-08.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=tiffany222><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=623308\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let the father's age be x<BR>\n" );
document.write( "Let Betty's age be y\r<BR>\n" );
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document.write( "x = 4y<BR>\n" );
document.write( "x - 5 = 7 (y-5)<BR>\n" );
document.write( "4y - 5 = 7 (y-5)<BR>\n" );
document.write( "4y - 5 = 7y - 35<BR>\n" );
document.write( "-3y = -30<BR>\n" );
document.write( "y = 10\r<BR>\n" );
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document.write( "x = 4y = 4(10) = 40\r<BR>\n" );
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document.write( "Final Answer: <BR>\n" );
document.write( "Father's age = 40 years old<BR>\n" );
document.write( " </SPAN>\n" );
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