Thanks
"forty" is correct. This is a straightforward dictionary question -
there's no discussion to be had:
http://www.answers.com/forty&r=67
--
David
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FORTY, never FOURTY, but note FOURTEEN and FOURTH
also FORTH as in GO FORTH.
A dictionary is good for answering questions like yours. See
for example www.m-w.com (US) or
www.askoxford.com/dictionaries/ (UK).
Or fowertie if you're Scottish :)
~Iain