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 jack walked 8 miles in 1 hour and 15 minutes, what was his rate of walking in miles per hour ?
Options: a. 4, b. 4.5, c. 6, d. 6.4, e. 15
answer:
d


question:
Problem: in a mayoral election, candidate x received 1 / 2 more votes than candidate y, and candidate y received 2 / 5 fewer votes than z. if z received 25000 votes how many votes did candidate x received ?
Options: a. 18000, b. 22500, c. 24000, d. 26000, e. 32000
answer:
b


question:
Problem: a shopkeeper labeled the price of his articles so as to earn a profit of 40 % on the cost price. he then sold the articles by offering a discount of 5 % on the labeled price. what is the actual percent profit earned in the deal ?
Options: a. 18 %, b. 20 %, c. 17 %, d. 33 %, e. none of these
answer:

d