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.
Q: Problem: edward earns $ 7.00 per hour for the first 40 hours he works per week, and twice this rate for overtime. if michael earned $ 210 last week, how many hours did he work ?
Options: a. 43, b. 44, c. 45, d. 46, e. 47
A:
c