Answer:On Saturday, 108 people hiked around Lake E. (Lake is 15 miles. )
---
Lake is 15 miles. --- Is that the distance around it? The diameter?
----
Find the total distance walked by the group
walked by the group ---
The total distance is 15 miles (if that's the circumference).
"The group" walked 15 miles.
===============
If you mean the sum of each person's distance, you should say that.
A poorly written problem.
Explanation: