Answer: Carla ran 13,200 feet.
Explanation:
Hi, to answer this question we have to know that each mile has 5,280 feet.
So, to calculate how many feet did she run we have to multiply the distance in miles (2.5) by 5,280 (feet in one mile).
Mathematically speaking:
2.5 miles x 5,280 f/miles = 13,200 feet
Carla ran 13,200 feet.
Feel free to ask for more if it´s necessary or if you did not understand something.