TASK DEFINITION: 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.
PROBLEM: If a solution of iodine and alcohol contains 4 ounces of iodine and 16 ounces of alcohol, how many ounces of alcohol must evaporate so that the ratio of iodine to the solution is 2 to 3?
(A)6 (B)7 (C)8 (D)10 (E)14

SOLUTION: E

PROBLEM: One box of muffin mix is sufficient to bake six large muffins or ten mini- muffins. How many boxes are needed to bake 180 muffins, 120 of which are large muffins and the rest of which are mini-muffins?
(A)18 (B)20 (C)22 (D)26 (E)28

SOLUTION: D

PROBLEM: Theresa is comparing the length of four magazine articles. The first article begins on page 1 and ends on page 7. The second article begins on page 17 and ends on page 24. The third article begins on page 28 and ends on page 31, and the fourth article begins on page 52 and ends on page 56. What is the median number of pages in these articles?
(A)4 (B)5 (C)6 (D)7 (E)8

SOLUTION:
C