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: if 12 machine can finish a job in 40 days, then how many more machines would be needed to finish the job in one - fourth less time ?
Options: a. a. 4, b. b. 8, c. c. 10, d. d. 12, e. e. 16

SOLUTION: a

PROBLEM: Problem: the size of a television screen is given as the length of the screen ' s diagonal. if the screens were flat, then the area of a square 19 - inch screen would be how many square inches greater than the area of a square 17 - inch screen ?
Options: a. 36, b. 4, c. 16, d. 38, e. 40

SOLUTION: a

PROBLEM: Problem: john makes $ 60 a week from his job. he earns a raise and now makes $ 100 a week. what is the % increase ?
Options: a. 16 %, b. 66.67 %, c. 17 %, d. 17.61 %, e. 17.56 %

SOLUTION:
b