A water tank has two holes. The 1st hole alone empties the tank in 8 minutes and 2nd hole alone empties the tank in 12 minutes. If water leaks out at a constant rate, how many minutes will it take, if both the holes together empty the tank?

A water tank has two holes. The 1st hole alone empties the tank in 8 m

1.	A water tank has two holes. The 1st hole alone empties the tank in 8 minutes and 2nd hole alone empties the tank in 12 minutes. If water leaks out at a constant rate, how many minutes will it take, if both the holes together empty the tank?
A.	\(\dfrac{4}{5}\)
B.	\(4 \dfrac{4}{5}\)
C.	\(4\dfrac{3}{5}\)
D.	\(4\dfrac{2}{5}\)
Answer» C. \(4\dfrac{3}{5}\)

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A water tank has two holes. The 1st hole alone empties the tank in 8 minutes and 2nd hole alone empties the tank in 12 minutes. If water leaks out at a constant rate, how many minutes will it take, if both the holes together empty the tank?

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