题目信息
It takes 1 pound of flour to make y cakes. The price of flour is w dollars for x pounds. In terms of w, x and y, what is the dollar cost of the flour required to make 1 cake?
A:$$\frac{xy}{w}$$
B:$$\frac{y}{wx}$$
C:$$\frac{w}{xy}$$
D:$$\frac{wx}{y}$$
E:wxy
参考答案及共享解析

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已选答案:
正确答案:
C:$$\frac{w}{xy}$$
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题目来源
Magoosh