What is the rule to find the number of people that can be transported by a certain number of ferries?

Question

(1 point)
Start at
Choose
people for one ferry, and add
Choose
people for each additional ferry.

Answer 1

The rule to find the number of people that can be transported by a certain number of ferries is as follows:

Start at (Choose) [the number of people] for one ferry, and add (Choose) [the number of people] for each additional ferry.