PTW Due Friday, February 11

It is family day at Camp Turtlecreek.  One of the most popular activities is the canoe race.  Teams are organized for the race and each team must have 2 adults and 3 campers.  In order to win the race, you must canoe all your team members from one shore across a shallow river to the other shore.  They have to follow these rules for who can be in the canoe on a crossing:  one adult; one camper; one adult and one camper; or 2 campers.  What is the fewest trips you would have to make to win the relay?