A pipe can fill a tank with water in 3 hours. Due to leakage in bottom, it takes $$3\frac{1}{2}$$ hours to fill it. In what time the leak will empty the completely filled tank?

A pipe can fill a tank with water in 3 hours. Due to leakage in bottom

1.	A pipe can fill a tank with water in 3 hours. Due to leakage in bottom, it takes $$3\frac{1}{2}$$ hours to fill it. In what time the leak will empty the completely filled tank?
A.	2 hours
B.	1 hours
C.	$6\frac{1}{2}$$ hours
D.	$10\frac{1}{2}$$ hours
Answer» C. $6\frac{1}{2}$$ hours

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A pipe can fill a tank with water in 3 hours. Due to leakage in bottom, it takes $$3\frac{1}{2}$$ hours to fill it. In what time the leak will empty the completely filled tank?

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