Bluebook试题8 · 第 4 题

Bluebook试题8 · 原库模块 1 · Q4 原库参考解析

A bowl contains 20 ounces of water. When the bowl is uncovered, the amount of water in the bowl decreases by 1 ounce every 4 days. If 9 ounces of water remain in this bowl, for how many days has it been uncovered?

Bluebook试题8 · 第 4 题

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