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