Answer: There are 6 possible routes as a result of their choices.
Step-by-step explanation:
Since we have given that
Total number of different campgrounds along the way = 3
As we have, After choosing the campground for their first stop, they must select from three possibilities for their second day, and two for their third day.
So, the number of possibilities as a result of their choices is given by
[tex]3!\\\\=3\times 2\times 1\\\\=6[/tex]
Hence, there are 6 possible routes as a result of their choices.