Answer:
4 gallon
Step-by-step explanation:
Gallon jug of Milk used every 3 days = 12
To. Obtain the rate of milk consumption :
Gallon of milk consumed per day :
Total gallon jug of milk / Number of days
12 / 3
= 4 gallon jug
Hence, the Harper family consumes 4 gallon jug of milk per day.
