Q: 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: irin, ingrid and nell bake chocolate chip cookies in the ratio of 9.18: 5.17: 2.05. if altogether they baked a batch of 150 cookies, what percent of the cookies did nell bake ?
Options: a. 0.125 %, b. 1.25 %, c. 12.6 %, d. 125 %, e. 0.152 %
A:
c