选择题
2026 AMC 8 Problem 20: Coin Stack Arrangements
The land of Catania uses gold coins and silver coins. Gold coins are 1 mm thick and silver coins are 3 mm thick. In how many ways can Taylor make a stack of coins that is 8 mm tall, assuming order matters?
2026 AMC 8 第20题：硬币堆叠排列
卡塔尼亚土地使用金币和银币。金币厚度为1毫米，银币厚度为3毫米。假设顺序很重要，泰勒可以用多少种方法制作一叠 8 毫米高的硬币
A.
3
B.
7
C.
10
D.
13
E.
16