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: a store reported total sales of $ 460 million for february of this year. if the total sales for the same month last year was $ 320 million, approximately what was the percent increase in sales ?
Options: a. 2 %, b. 17 %, c. 44 %, d. 65 %, e. 83 %
[A]: c

[Q]: Problem: there are 750 male and female participants in a meeting. half the female participants and one - quarterof the male participants are democrats. one - third of all the participants are democrats. how many of the democrats are female ?
Options: a. 75, b. 100, c. 125, d. 175, e. 225
[A]: c

[Q]: Problem: a and b put in rs. 300 and rs. 400 respectively into a business. a reinvests into the business his share of the first year ' s profit of rs. 196 where as b does not. in what ratio should they divide the second year ' s profit ?
Options: a. 39: 40, b. 39: 49, c. 24: 25, d. 39: 47, e. 39: 41
[A]:
c