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.
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Question: Problem: 2.205 divided by 0.3 gives
Options: a. 7.35, b. 6.25, c. 8.15, d. 6.95, e. none of these

Answer: a


Question: Problem: buses a and b start from a common bus stop x. bus a begins to travel in a straight line away from bus b at a constant rate of 20 miles per hour. one hour later, bus b begins to travel in a straight line in the exact opposite direction at a constant rate of 80 miles per hour. if both buses travel indefinitely, what is the positive difference, in minutes, between the amount of time it takes bus b to cover the exact distance that bus a has covered and the amount of time it takes bus b to cover twice the distance that bus a has covered ?
Options: a. 36, b. 72, c. 132, d. 144, e. 180

Answer: c


Question: Problem: bert and rebecca were looking at the price of a condominium. the price of the condominium was 100 % more than bert had in savings, and separately, the same price was also 60 % more than rebecca had in savings. what is the ratio of what bert has in savings to what rebecca has in savings.
Options: a. 1: 5, b. 2: 5, c. 3: 5, d. 4: 5, e. 1: 1

Answer:
d