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[Problem Solving]
试题详情
题目：
A merchant paid $300 for a shipment of x identical calculators. The merchant used two of the calculators as demonstrators and sold each of the others for $5 more than the average (arithmetic mean) cost of the x calculators. If the total revenue from the sale of the calculators was $120 more than the cost of the shipment, how many calculators were in the shipment?
选项:
A、24
B、25
C、26
D、28
E、30
答案:
E
提问：
麻烦老师讲解一下，题目没太读懂，谢谢～
解答：
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阅读1218
提问：
麻烦老师讲解一下，题目没太读懂，谢谢～
解答：
点赞0
阅读1219
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