at Continental...
777 - 1 ISM, 11 f/a
767-400 - 1 ISM, 9 f/a
767-200 - 1 ISM, 7 f/a
757-200 - 1 ISM, 5 f/a
On all aircraft (except 757-200) there is one f/a who works exclusively in each galley, one for each aisle in the forward cabin, and 2 for each aisle in the main cabin.
(There will always be one less flight attendant when the main cabin load is below 100 pax.)