Answer:
1 hour and 23.63 minutes or 1.39 hours
Explanation:
Because it fill 3.85 gallons per minute so to fill in 322 gallon, it would take:
322 / 3.85 ≈ 83.63 minutes
1 hour = 60 minutes
so it would take approximately 1 hour and 13.63 minutes
or 1.39 hours
Hope this helped :3