Cruise Operator Tom Cruise owns 1 ship and wants to serve 3000 passengers each month. The ship can carry 1000 passengers on each voyage. What is the longest average travel time on a voyage that allows Tom Cruise to meet its goal of serving 3000 passengers per month if its ship always travels fully loaded? (Assume 1 month =30 days) 3 days 6 days 5 days 10 days