题目信息
After 4,000 gallons of water were added to a large
water tank that was already filled to $$\frac{3}{4}$$ of its capacity, the
tank was then at $$\frac{4}{5}$$ of its capacity. How many gallons
of water does the tank hold when filled to capacity?
A:5,000
B:6,200
C:20,000
D:40,000
E:80,000
参考答案及共享解析

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正确答案:
E:80,000
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