2014 AMC12A 真题

Problem 1

下列式子的值是多少

Problem 2

At the theater children get in for half price. The price for adult tickets and child tickets is . How much would adult tickets and child tickets cost?

在剧院，儿童票半价，已知 张成人票和 张儿童票的总价是 5 4 24.5 元，问 张成人票和 张 8 6 儿童票需要多少元？

(A) 35 (B) 38.50 (C) 40 (D) 42 (E) 42.50

Problem 3

Walking down Jane Street, Ralph passed four houses in a row, each painted a different color. He passed the orange house before the red house, and he passed the blue house before the yellow house. The blue house was not next to the yellow house. How many orderings of the colored houses are possible?

当 Ralph 走过 Jane 街时，她经过了一排 座楼房，每座楼房都涂有不同的颜色。她先经过桔 4 色的房子，再经过红色房子，她先经过蓝色房子，再经过黄色房子，蓝色房子不和黄色房子 相邻，这 个涂色的房子有多少种可能的排列方法？ 4

(A) 2 (B) 3 (C) 4 (D) 5 (E) 6

2014 AMC12A