document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=757202>Question 757202</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Fiona and Hoggy gain a kilo each every week. Fiona is currently 70kg, while Hoggy is 10kg. How many weeks does it take for Fiona to be TWICE as heavy as Hoggy?\r<BR>\n" );
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document.write( "NOTE: I've asked nearly all my teachers in my school and none of them have gotten the answer without using trial and error. I want to know how to get the answer by using algebra. Thank you :) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #460704 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=460704\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Fiona and Hoggy gain a kilo each every week. Fiona is currently 70kg, while Hoggy is 10kg. How many weeks does it take for Fiona to be TWICE as heavy as Hoggy?<BR>\n" );
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document.write( "The difference remains 60 kg, so it's when Hoggy weighs 60 kg.<BR>\n" );
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document.write( "w = # of weeks<BR>\n" );
document.write( "F = 70 + w<BR>\n" );
document.write( "H = 10 + w<BR>\n" );
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document.write( "F = 2H<BR>\n" );
document.write( "70 + w = 2(10+w)<BR>\n" );
document.write( "70 + w = 20 + 2w<BR>\n" );
document.write( "w = 50 weeks<BR>\n" );
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