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.
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Question: At a certain store, the price of a new compact disc is five times the price of a used compact disc. The difference between the two prices is ten dollars. What would be the total price of three used compact discs and two new compact discs at this store?
(A)\$26.00 (B)\$30.00 (C)\$32.50 (D)\$42.50 (E)\$45.00

Answer: C


Question: A bookseller's net profit, in dollars, from the sale of b books is given by \(P(b) = 2.5b - 100\). How many books must she sell in order to earn a net profit of $225?
(A)130 (B)225 (C)331 (D)463 (E)563

Answer: A


Question: A certain pie is made by baking the crust for 7 to 10 minutes, adding the filling, and baking the entire pie for another 15 to 18 minutes. What are the minimum and maximum total baking times for this pie?
(A)7 minutes and 10 minutes (B)10 minutes and 18 minutes (C)15 minutes and 18 minutes (D)22 minutes and 25 minutes (E)22 minutes and 28 minutes

Answer:
E