Answer:
5280 feet
Step-by-step explanation:
one loop is 1 fourth of a mile
she walked 4 times, making it a full mile.
So, she walked 5,280 feet in total

The infinite geometric series is converges if |r| < 1.
We have r=1/6 < 1, therefore our infinite geometric series is converges.
The sum S of an infinite geometric series with |r| < 1 is given by the formula :

We have:

substitute:

Answer: d. Converges, 504.