TASK DEFINITION: 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: when jessica withdrew $ 200 from her bank account, her account balance decreased by 2 / 5. if she deposits an amount equal to 2 / 3 of the remaining balance, what will be the final balance in her bank account ?
Options: a. 300, b. 375, c. 400, d. 500, e. 575

SOLUTION: d

PROBLEM: Problem: find the sum of first 89 odd numbers
Options: a. 7921, b. 4800, c. 7900, d. 4980, e. 4960

SOLUTION: a

PROBLEM: Problem: a student chose a number, multiplied it by 2, then subtracted 138 from the result and got 102. what was the number he chose ?
Options: a. 90, b. 100, c. 120, d. 160, e. 200

SOLUTION:
c