Answer:
4 cases were delivered each day
Explanation:
1 case = 6 cartons
There are 8064 cartons, so we do 8064 divided by 6 to find there are1344 cases made total.
16 coffee shops means each one gets 1344/16 = 84 cases each
Deliveries were made over 21 days, so each day 84/21 = 4 cases were delivered.
This only works because the same number were produced and delivered each day.