Answer: The average rate of speed is 3 miles per hour.
Step-by-step explanation: Given that the team tool bella canoed miles in hours. We are given to find the average rate of speed in miles per hour (mph).
We will be using unitary method to solve the given problem.
Now,
According to the question,
In hours, number of miles canoed by the team is
Therefore, in 1 hour, number of miles canoed by the team is given by
Thus, the average rate of speed is 3 miles per hour.