选择题
2022 AMC 8 Problem 6: Equally Spaced Integers
Three positive integers are equally spaced on a number line. The middle number is 15, and the largest number is 4 times the smallest number. What is the smallest of these three numbers?
2022 AMC 8 第6题：等距整数
三个正整数在数轴上等距。中间的数是15，最大的数是最小数的4倍。这三个数字中最小的是多少
A.
4
B.
5
C.
6
D.
7
E.
8