You are given a mathematical question described with an open-ended vocabulary. Questions in this task involve real-world situations, describing a mathematical problem. You are also given 4 or 5 answer options (associated with "A", "B", "C", "D", "E"). Do not generate anything else apart from one of the following characters: 'A', 'B, 'C', 'D', 'E'. LaTeX mathematical format (the standard way to express mathematical expressions in the typesetting software known as LaTeX) is used to express equations. Each question is solvable with high school math knowledge. Give only one answer for each question.

Q: One-half of the water in a pond evaporates each week. There are 2,400 gallons of water in the pond at the end of the third week. In gallons, how much less water is in the pond at the end of seventh week than at the end of the third week?
(A)2,250 (B)1,975 (C)1,800 (D)950 (E)150

A: A
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Q: If it is now 1:15, what time will it be when the hour hand has moved through an angle of \(10\degree\)?
(A)1:25 (B)1:35 (C)2:15 (D)3:15 (E)11:15

A: B
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Q: If a store sells n newspapers on each of 5 days, which of the following represents the total number of newspapers sold?
(A)\(5n\) (B)\(5 + n\) (C)\(n - 5\) (D)\(n^5\) (E)\(5^n\)

A:
A
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