Answer:

Explanation:
For this exercise you need to remember the following formula:

Where "V" is the speed, "d" is the distance and "t" is time.
In this case, according to the information given in the exercise, you know that:
- James leaves his school at 3:15 and arrives at the park at 3:25. Then, you can identify that the time it takes him to go from his school to the park is:

- The park is 0.5 miles from James' school. Therefore, you can identify that "d" is:

So, knowing those values, you can substitute them into the formula:

Finally, evaluating, you get the following result:
