An empty pool being filled with water at a constant rate takes 8 hours to fill to $$\frac{3}{5}$$ of its capacity. How much more time will it take to finish filling the pool?
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A5 hrs. 30 mins.
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B5 hrs. 20 mins.
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C4 hrs. 48 mins.
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D3 hrs. 12 mins.
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E2 hrs. 40 mins.
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正确答案: B