A water tank has two holes. The 1st hole alone empties the tank in 9 minutes and 2nd hole alone empties the tank in 6 minutes. If water leaks out at a constant rate, how many minutes does it take if both the holes together empty the tank?

A water tank has two holes. The 1st hole alone empties the tank in 9 m

1.	A water tank has two holes. The 1st hole alone empties the tank in 9 minutes and 2nd hole alone empties the tank in 6 minutes. If water leaks out at a constant rate, how many minutes does it take if both the holes together empty the tank?
A.	\(3\frac{3}{5}\)
B.	3/5
C.	\(3\frac{1}{5}\)
D.	\(3\frac{2}{5}\)
Answer» B. 3/5

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A water tank has two holes. The 1st hole alone empties the tank in 9 minutes and 2nd hole alone empties the tank in 6 minutes. If water leaks out at a constant rate, how many minutes does it take if both the holes together empty the tank?

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