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at recess, the cafeteria at vincent massey high school sells two types …

Question

at recess, the cafeteria at vincent massey high school sells two types of snacks: fruit cups and granola bars. yesterday they sold 60 snacks in total. in fact, they sold twice as many fruit cups as granola bars. given that: x: number of fruit cups sold y: number of granola bars sold what system of equations represents this situation?

Explanation:

Step1: 총 과자 수 방정식 설정

전체 판매한 과자 수는 과일컵과 그라놀라바의 합으로, 이는 60개입니다.
$$x + y = 60$$

Step2: 과일컵과 그라놀라바 비율 방정식 설정

과일컵 판매 수는 그라놀라바의 2배입니다.
$$x = 2y$$

Answer:

$$\begin{cases} x + y = 60 \\ x = 2y \end{cases}$$