Smaller 4657

Two supply pipes open into the pool, and the smaller pipe fills the pool in 40 hours. The empty pool will be filled in 16 hours if we open both supply pipes. How long would it take to fill if only the second, larger inlet pipe was opened?

Correct answer:

t =  26.6667 h

Step-by-step explanation:



24t = 640

t = 640/24 = 26.66666667

t = 80/3 ≈ 26.666667

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