选择题
2025 AMC 8 Problem 19: Two Cars Meeting
Two towns, A and B, are connected by a straight road that is 15 miles long. Travelling from city A to town B, the speed limit changes every 5 miles: from 25 to 40 to 20 miles per hour (mph). Two cars, one at town A and one at town B, start moving toward each other at the same time. They drive at exactly the speed limit in each portion of the road. How far from town A, in miles, will the two cars meet?
2025 AMC 8 第 19 题：两辆车相遇
A 和 B 两个城镇由一条 15 英里长的笔直道路连接起来。从 A 城市到 B 城镇，速度限制每 5 英里改变一次：从 25 英里每小时 (mph) 到 40 英里每小时 (mph) 到 20 英里每小时 (mph)。两辆车，一辆在 A 镇，一辆在 B 镇，同时开始向对方驶去。他们在道路的每个部分都严格按照限制速度行驶。两辆车会相距 A 镇多远（以英里为单位）
A.
7.75
B.
8
C.
8.25
D.
8.5
E.
8.75