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2026年5月国际A卷 · 第 5 题

2026年5月国际A卷 · 原库模块 1 · Q5 原库参考解析

A soccer team's goal is to earn at least $1,400 by selling coupon books. The team earns $10 from selling each coupon book. Which of the following inequalities describes all possible values for the number of coupon books, n, the team can sell to meet the goal?
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