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ZX-4D3FE90F512025年10月国际A卷 · 第 22 题
2025年10月国际A卷 · 原库模块 2 · Q22 原库参考解析
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- 2025年10月国际A卷 · 原库模块 2 · Q22
- 2026年8月国际B卷 · 原库模块 2 · Q20
A researcher investigated two species of mites: a predator and its prey. At the start of a week, there was an equal number of the two species. At the end of the week, the number of prey had increased by 1,900% of the number of prey at the start of the week, and the number of predators had increased by 150% of the number of predators at the start of the week. The number of prey at the end of the week was p% greater than the number of predators at the end of the week. What is the value of p?
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