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Bluebook试题6 · 第 5 题

Bluebook试题6 · 原库模块 2 · Q5 原库参考解析

During a portion of a flight, a small airplane's cruising speed varied between 150 miles per hour and 170 miles per hour. Which inequality best represents this situation, where s is the cruising speed, in miles per hour, during this portion of the flight?
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