Since 25 pounds feeds 100, you'll need 106 1/4 pounds of potato salad.
I would make 3.5 pounds
To serve mashed potatoes for 150 people at a serving size of 4 ounces each, you will need a total of 600 ounces (150 people x 4 ounces). Since there are 16 ounces in a pound, this amounts to 37.5 pounds of mashed potatoes needed. Generally, raw potatoes yield about 2 to 2.5 times their weight when cooked and mashed, so you would need approximately 15-20 pounds of raw potatoes to produce the required amount of mashed potatoes.
If you are making mashed potatoes from raw potatoes, generally one potato per person. If you are using instant potatoes, then figure one cup of cooked potatoes per person.
20 pounds of shredded chicken will serve approximately 60 people. The amount of chicken needed is very much dependent upon how it is served.
About 3 good portions or 4 smaller portions.
25 pounds should be plenty.
To serve 30 people, you typically need about 0.5 pounds of potatoes per person. This means you should buy approximately 15 pounds of potatoes for 30 servings. However, it's a good idea to round up slightly for larger portions or leftovers, so purchasing around 15-20 pounds would be advisable.
Fifteen pounds of red potatoes can typically serve around 30-40 people as a side dish, depending on portion sizes. If serving as a main component of a meal, it may not be enough for 70-75 people. To adequately feed that many, you would likely need at least 30-35 pounds of potatoes. Adjustments can be made based on the overall menu and other dishes served.
It depends what else they are having. If a 3 veg and meat dinner, I would serve 4 oz au gratin per. -This will take 50 pounds potato.
If you are making the potato salad, start with the potatoes. 25 pounds of potatoes will make moderate servings for 100.40 pounds will make generous servings for 100, but can easily serve 120.If the potato salad is pre-made, you will need 4 to 4 1/2 gallons to serve 100.
~27.34
100 x 2.5 = 250 10.5 x 2.5 = 26.25 So you need 26.25 pounds of frozen turnips for 250 students.