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Each week a salesperson receives a commission that is equal to 12 percent of the first $500 of sales plus 20 percent of additional sales. If the salesperson received a commission of $380 last week, what was the total amount of the sales that the salesperson made last week?
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2.5.6 分段函数及应用题
2.5.6 分段函数及应用题
以上解析由 考满分老师提供。
