There are many variables that you did not supply, like what you are serving. Being that different food items have different density you would get more portions of let's say jello in a 2" hotel pan as compared to chicken cutlet. I can tell you that for a 2 "pan you need to portion by weight into each pan to accurately estimate portions. Portions are always calculated by weight not volume.
80 ounces
40 portions
You can use two cake recipes for that size pan.
2
I have heard a serving is 2 ounces on average.
1/2 cup of strawberries is one serving. 1/2 cup of strawberries is one serving.
how many ervings in 2 slices of bread
The answer depends on how large the pan is across (or in its circumference).
2
2
2 (pan-cake)
2