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 man goes downstream at 10 kmph, and upstream 8 kmph. the speed of the stream is
Options: a. 0 kmph, b. 4 kmph, c. 1 kmph, d. 2.5 kmph, e. 26 kmph

Answer: c

Question: Problem: when the smallest of 3 consecutive odd integers is added to 4 times the largest, it produces a result 732 more than 4 times the middle integer. find the numbers ?
Options: a. 732, b. 678, c. 698, d. 710, e. 729

Answer:
a