1 cheese slice + 2 bread slices = 1 cheese sandwich

Question

a. A cook has 12 slices of cheese and 20 slices of bread. How many cheese sandwiches can be made?
b. A cook has 38 slices of cheese and 4 loaves of bread with 18 slices per loaf, how many cheeses sandwiches can be made?
c. A super cook has 0.100 moles of cheese slices and 0.600 moles of bread slices. How many moles of cheese sandwiches can be made?
d. How many cheese sandwiches can be made from the starting materials in (c)?
e. Cheese slices have a mass of 12.5 grams each. If you have 5.00 kg of cheese slices, what is the maximum number of sandwiches that can be made?