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ZX-E67FF914632025年11月国际A卷 · 第 10 题
2025年11月国际A卷 · 原库模块 1 · Q10 原库参考解析
During hibernation, American black bears do not eat or replenish calories. A certain black bear weighed 293 pounds when entering hibernation and lost weight at a mean rate of 0.9 pounds per day. At this rate, how many days after entering hibernation would the black bear weigh 230 pounds?
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