Detailed 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.
Problem:Problem: if y exceeds x by 20 %, then x is less than y by ?
Options: a. 16 2 / 8 %, b. 16 8 / 3 %, c. 16 2 / 3 %, d. 76 2 / 3 %, e. 17 2 / 3 %
Solution:
c