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HMMT 二月 2001 · 冲刺赛 · 第 33 题

HMMT February 2001 — Guts Round — Problem 33

专题
Contest Math / 竞赛数学
难度
L3
来源
HMMT

题目详情

英文原题

  1. [ ± 5] A line of soldiers 1 mile long is jogging. The drill sergeant, in a car, movingat twice their speed, repeatedly drives from the back of the line to the front of the line andback again. When each soldier has marched 15 miles, how much mileage has been added tothe car, to the nearest mile? 2
解析

英文解析

  1. [ ± 5] A line of soldiers 1 mile long is jogging. The drill sergeant, in a car, movingat twice their speed, repeatedly drives from the back of the line to the front of the line andback again. When each soldier has marched 15 miles, how much mileage has been added to 5
    the car, to the nearest mile?
    Solution: 30 . 2