I guess it takes 5lbs of meat for about 50 people.
About 50 pounds!
if by energy you mean calories(the energy fuel of the body) then it depends on what type of sandwich it is for example typical white bread has around 150 calories a slice and lunch meat tends to be about 50 calories a slice so just a turkey sandwich plain has about 400 calories
50
50%
If using larger and thicker slices, use two per sandwich. If the sices are thinner, use four or five and lay them in mounds instead of laying them flat. One loaf of sliced bread usually has 22-24 slices. Thicker meat sandwiches will require 22-24 slices per loaf, thinner meat would require 50-60 sclices per loaf.
1/2 per person.
£1:50 if you buy Findus Lasagne
He is worth around $50 million.
You can average about 3 or 4 ounces of meat per person so 200 people would need about 50 pounds of meat. If you plan to serve both chicken and beef, you probably want 25 pounds of chicken meat and 25 pounds of beef.
50 because they are not extremly heavy
If the first sandwich is twice the size of the second one, then 25% of the first one will equal 50% of the second one. The same things would be true if the second sandwich was half the size of the first one, which is the same thing.
Explorers brought food with them to Antarctica. One staple is pemmican: a mix of 50% ground meat and 50% lard.