[求助]og12 ds23 看不懂解释

小遥遥 · 发表于 2010-10-25 19:35:30

the profit from the sale of a certain appliance increases,though not proportionally,with the number of units sold.
Did the profit exceeded $4 million on sales 380000units?

1 the profit exceeded $2 million on sales of 200000units
2 the profit exceeded $5 million on sales of 350000 units

ans B

实在是看不懂og上的解释

2010 · 发表于 2010-10-25 19:43:40

the profit from the sale of a certain appliance increases,销售某东西的利润上升了，though not proportionally,with the number of units sold.尽管和销售数量相比不成比例。
Did the profit exceeded $4 million on sales 380000units?
卖380000单位利润能超过$4 million么 ?

1 the profit exceeded $2 million on sales of 200000units
卖200000单位时，利润超过$2 million
2 the profit exceeded $5 million on sales of 350000 units
卖350000单位时，利润超过$5 million

由题知道，利润增加和销售数量成不成比例的正相关关系！

2 卖 350000时，利润就超过了$5 million
，那么卖380000就肯定超过$4 million了。

小遥遥 · 发表于 2010-10-25 19:48:37

thanks a lot~~！！！

[求助]og12 ds23 看不懂解释

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