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题目内容双击单词支持查询和收藏哦～
An employee at a parcel delivery company weighs four boxes labeled $$A, B, C$$, and $$D$$. Box $$A$$ weighs $$\frac{1}{4}$$ kilogram and boxes $$B$$ and C each weigh $$\frac{5}{4}$$ kilograms. The ratio of the weight of box $$A$$ to the weight of box $$B$$ is the same as the ratio of the weight of box $$C$$ to the weight of box $$D$$. What is the weight of box $$D$$, in kilograms?
Give your answer as a fraction. _________kilograms
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· 相关考点
2.1.1 分数的加减乘除运算
以上解析由 考满分老师提供。
