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: it costs $ 2 for the first 1 / 5 hour to use the laundry machine at the laundromat. after the first hour it costs $ 12 per hour. if a certain customer uses the laundry machine for 2 hours and 15 minutes, how much will it cost him ?
Options: a. $ 25., b. $ 26., c. $ 29., d. $ 30., e. $ 31.
Solution:
c