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A bottle has a volume of m liters and is $$\frac{1}{2}$$ full of water. A second bottle has a volume of n liters and is $$\frac{1}{3}$$ full of water. The contents of both bottles are poured into an empty tank that has a volume of r liters, where r ≥ m + n. Which of the following represents the fraction of the tank's volume that is filled with water?

A.$$\frac{1}{6}$$
B.$$\frac{5}{6}$$
C.$$\frac{m+n}{6r}$$
D.$$\frac{\frac{m}{2}+\frac{n}{3}}{r}$$
E.$$(\frac{m}{2}+\frac{n}{3})r$$

D显示答案

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· 相关考点

2.1.1 分数的加减乘除运算

以上解析由考满分老师提供。

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