Teacher: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.
Teacher: Now, understand the problem? Solve this instance: Problem: on my sister ' s birthday, she was 126 cm in height, having grown 5 % since the year before. how tall was she the previous year ?
Options: a. 124 cm, b. 120 cm, c. 116 cm, d. 112 cm, e. 110 cm
Student:
b