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Bluebook试题6 · 第 22 题

Bluebook试题6 · 原库模块 3 · Q22 原库参考解析

The combined original price for a mirror and a vase is $60. After a 25% discount to the mirror and a 45% discount to the vase are applied, the combined sale price for the two items is $39. Which system of equations gives the original price m, in dollars, of the mirror and the original price v, in dollars, of the vase?
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