Sam's Sandwich Shop lets you design your own sandwich. There are 5 choices for bread, 6 choices for meat, and 4 choices for cheese. You can also choose to include (or not include) each of the following items by request: lettuce, tomato, hot peppers, mayonnaise, or mustard. (a) A standard sandwich has 1 type of meat and 1 type of cheese.How many different standard sandwiches can be created?(b) A "doubles" sandwich contains 2 different kinds of meat and 2 different kinds of cheese.How many different "doubles" sandwiches can be created?
