There is one serving in a foot long sandwich. However, it is plenty for two people.
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It varies depending on the type of sub and whether or not you have a discount such as Snapfax. The Sub of the Day is £1.99 if I remember correctly. You can get a sub + drink for £3.
My foot
If your foot is twelve inches long then yes it is. The word foot was used to establish the measurement "a foot" because it is the approximate size of a mans foot.
A half of one foot is six inches long.
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