instruction:
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: if y > 0, ( 9 y ) / 20 + ( 3 y ) / 10 is what percent of y ?
Options: a. 40 %, b. 50 %, c. 60 %, d. 70 %, e. 75 %
answer:
e


question:
Problem: students at a school were on average 180 cm tall. the average female height was 170 cm, and the average male height was 182 cms. what was the ratio of men to women ?
Options: a. 5: 2, b. 5: 1, c. 4: 3, d. 4: 1, e. 3: 1
answer:
b


question:
Problem: a certain lab experiments with white and brown mice only. in one experiment, 2 / 3 of the mice are white. if there are 7 brown mice in the experiment, how many mice in total are in the experiment ?
Options: a. 39, b. 33, c. 26, d. 21, e. 10
answer:

d