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]: The Suzukis are having a picnic at their house where they will serve pasta salad to all of the guests. One pound of pasta salad either serves 6 adults or 10 children. If the Suzukis have 34 guests, 10 of whom are children, how many pounds of pasta salad will they need to serve all of the guests?
(A)3 (B)4 (C)5 (D)6 (E)7
[A]: C


[Q]: Kim owned \(\$100\). After winning \(\$p\) in one game and losing \(\$q\) in the next game, she owned \(\$80\). What is the value of \(p - q\)?
(A)10 (B)20 (C)30 (D)-10 (E)-20
[A]: E


[Q]: A box of crayons contains only red, green, and blue crayons. The probability of randomly selecting a red crayon from the box is \(\frac{2}{5}\) and the probability of randomly selecting a blue crayon is \(\frac{1}{4}\). Which of the following could be the total number of crayons in the box?
(A)12 (B)16 (C)20 (D)25 (E)32
[A]:
C


