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题目内容双击单词支持查询和收藏哦～
A sales representative for a photography company makes a base salary of $30,000 per year. In addition he earns a commission of $500 for each of the first 20 photograph packages he sells in a year and $1,000 for each photograph package he sells in a year after the first 20. Each year he spends $4,000 on work-related travel. The sales representatives` income before taxes is his base salary plus commission, minus the amount he spends on work-related travel. How many photograph packages must he sell in a year so that his income before taxes is equal to $50,000?
_____photograph packages
_____photograph packages
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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。
