You would have (5 x 4 x 3)/(3 x 2) = 10 choices of Sandwiches.
This is such a broad question, it can't really be answered. There are so many different foods you can add to a sandwich, with different combinations, you could potentially have billions of types of sandwiches. To narrow the possibilities, I think you could say 1) meat sandwiches, 2) vegetable sandwiches, and 3) salad sandwiches.
Very easily, put a magnet on them it will attract the iron but not the aluminium.
With 5 kinds of sandwiches and 5 kinds of filling, Grace could make 25 sandwiches or more.
you could say...i ate sandwiches for lunch...but then you would sound fat
One method to separate iron fillings from sand is by using a magnet. The iron fillings are attracted to the magnet and can be easily separated from the sand.
With a magnet : only iron will be attracted.
Depending on the circumstances, such as the type of shop you are referring to, selling ham sandwiches could be profitable.
Yes, It could be considered a type of sandwich.
Assuming you were using one egg in each sandwich you could make 108 sandwiches.
You can use a magnet to attract and separate the iron fillings from the sawdust. Place the magnet in the mixture and move it around to attract the iron fillings. The sawdust will not be affected by the magnet and can be separated from the iron fillings.
Could have pasta instead, pasta's such as tuna with salad.
They could possibly be made from powdered or dehydrated eggs, which could effect the smell.