Instructions: Given a math problem with context and a question and 5 answer choices, the task is to provide the correct answer choice based on the problem. You must choose one of the given answer choices by letter: a, b, c, d, or e; anything else is invalid.
Input: Problem: obra drove 140 meters along a circular track. if the area enclosed by the circular track on which she drove is 57,600 square meters, what percentage of the circular track did obra drive ?
Options: a. 6.67 %, b. 12.5 %, c. 18.75 %, d. 29.16 %, e. 33.3 %
Output:
d