Question

Jamila wants to walk with her friend at the park but isn’t sure how long the course is. She knows it is a circular path with a walkway through the middle, and the path across the middle is 12
1
2
of a mile. What is the distance all the way around the circle? Give the answer to the nearest tenth of a mile.(1 point)
Responses

1.6 mi.
1.6 mi.

0.8 mi.
0.8 mi.

3.1 mi.
3.1 mi.

18.8 mi.
18.8 mi.

Answer 1

If the walkway across the middle is 1/2 mile, that's the diameter. Circumference = π·d = π·0.5 ≈ 1.5708, which rounds to 1.6 miles.

Answer: 1.6 mi.