Mr. Zorn had skated total 17 miles.
<u><em>Explanation</em></u>
The length of the exercise trail around the Westwood park is 3 miles.
Mr. Zorn is skating around the trail 5 and 1/2 times.
So, the distance skated in 5 times ![= (3* 5) miles = 15 miles](https://tex.z-dn.net/?f=%3D%20%283%2A%205%29%20miles%20%3D%2015%20miles)
and the distance skated in
of the trail ![= (3* \frac{1}{2})miles = 1.5 miles](https://tex.z-dn.net/?f=%3D%20%283%2A%20%5Cfrac%7B1%7D%7B2%7D%29miles%20%3D%201.5%20miles)
Thus, the total distance he had skated will be:
<em>(Rounded to the nearest mile)</em>