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题目内容
It cost a certain business a total of S4,050.00 to make and sell 4.500 widgets. If the business sold each of the 4,500 widgets for S2.40, what was the business's profit per widget? (Profit is equal to the selling price minus the cost.)
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· 相关考点
5.2.1 平均值
5.2.1 平均值
以上解析由 考满分老师提供。