On Tuesday morning a school cafeteria served 16 gallons of orange juice during breakfast. How many cups are in 16 gallons?

A 64 cups
B 2,048 cups
C 256 cups
D 128 cups

One gallon is equal to 16 cups, so 16 gallons will be 16 x 16 = 256 cups.

Therefore, the answer is C) 256 cups.

To find out how many cups are in 16 gallons of orange juice, you need to know the conversion factor.

1 gallon is equal to 16 cups.

To find out how many cups are in 16 gallons, you need to multiply 16 gallons by the conversion factor:

16 gallons * 16 cups/gallon = 256 cups

Therefore, the correct answer is C) 256 cups.