Next June, Joanna is taking a vacation to do some sightseeing and visit relatives. She will make four stops while she is gone. They might include Baltimore, Pittsburgh, Washington D.C., Philadelphia, New York City, and the New Jersey shore. Joanna is not sure in what order to visit these places.
In how many ways can she organize her drive from place to place?
Does the order matter? Will she revisit any of these places?
Recall the formula for permutations:
How many of these trips will include the New Jersey Shore?