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A certain toy company manufactures tricycles at a cost of $$$750$$ for a batch of $$50$$ small tricycles and at a cost of $$$1,000$$ for a batch of $$50$$ large tricycles. The company sells small and large tricycles for $$$75$$ and $ $$110$$, respectively. Which of the following represents the number of dollars profit that the company makes from the sale of $$700$$ small and $$600$$ large tricycles? (Profit is sales minus cost.)

A.$$700(750-75)+600(1,000-110)$$
B.$$700(50(75)-750)+600(50(110)-1,000)$$
C.$$700(75－\frac{750}{50})+600(110－\frac{1000}{50})$$
D.$$700(50)(750-75)+600(50)(1,000-110)$$
E.$$700(\frac{750-75}{50})+600(\frac{1,000-110}{50})$$

C显示答案

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2.1.4 比例及相关应用题

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