Answer:
16
Step-by-step explanation:
PB and J, Chips, Oreos
PB and J, fruit, Oreos
PB and J, pretzels, Oreos
PB and J, String cheese, Oreos
PB and J, Chips, Chocolate chip
PB and J, Fruit, Chocolate chip
PB and J, pretzels, Chocolate chip
PB and J, string cheese, Chocolate chip
Ham, Chips, Oreos
Ham, fruit, Oreos
Ham, pretzels, Oreos
Ham, String cheese, Oreos
Ham, Chips, Chocolate chip
Ham, Fruit, Chocolate chip
Ham, pretzels, Chocolate chip
Ham, string cheese, Chocolate chip