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]: A telephone call cost 2 dollars for the first three minutes and 20 cents each additional minute. If a call started at 10:20 a.m. and ended at 10:50 a.m., how much did the call cost?
(A)\$7.00 (B)\$7.20 (C)\$7.40 (D)\$8.00 (E)\$8.20
[A]: C


[Q]: A group of 48 employees is taking 11 cars to the annual company picnic. If each car will be occupied by 4 or 5 employees, what is the number of cars occupied by 5 employees?
(A)7 (B)6 (C)5 (D)4 (E)3
[A]: D


[Q]: Anne-Marie was \(x\) years old \(y\) years ago. How old will she be in \(z\) years?
(A)\(x + y + z\) (B)\(x - y + z\) (C)\(z - x - y\) (D)\(y - x + z\) (E)\(x - y - z\)
[A]:
A