Mathematics, 05.03.2021 14:00 James300102

Water from a tank is being used for irrigation at the same time as the tank is being filled. The inlet pipe can fill the tank in 40 hours. The two outlet pipes can drain it in 5 and 8 hours. How long will it take the pipes to drain the tank if all three pipes are operating at the same time?

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Water from a tank is being used for irrigation at the same time as the tank is being filled. The inl...

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