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.
--------
Question: Problem: subtracting 3 % of a from a is equivalent to multiplying a by how much ?
Options: a. 0.97, b. 9.4, c. 0.094, d. 94, e. none

Answer: a


Question: Problem: a is twice as good a work man as b and together they finish the work in 4 days. in how many days a alone can finish the work ?
Options: a. 3, b. 2, c. 7, d. 9, e. 6

Answer: e


Question: Problem: the length of the rectangular field is double its width. inside the field there is square shaped pond 6 m long. if the area of the pond is 1 / 8 of the area of the field. what is the length of the field ?
Options: a. 24, b. 32, c. 75, d. 28, e. 11

Answer:
a