A family wants to cross a river in a boat that holds no more than 250lbs. The husband weighs 160lbs….
A family wants to cross a river in a boat that holds no more than 250lbs. The husband weighs 160lbs. His wife weighs 130lbs. The daughter weighs 85lbs, and the son weighs 115lbs. How can they all get across in the fewest number of trips.
