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2026年8月国际B卷 · 第 6 题

2026年8月国际B卷 · 原库模块 1 · Q6 参考答案

A student council group is selling car stickers for a fundraiser. They use the function \( p(x)=5x-210 \) to determine their profit p(x), in dollars, for selling x car stickers. In order to earn a profit of $800, how many car stickers must they sell?
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