Question
An empty tank measures 80 cm by 40 cm by 35 cm. Water flows into the tank from Tap B at a rate of 16 ℓ per minute. At the same time, water drains from the tank from Tap C at a rate of 14 ℓ per minute. How long would it take to completely fill the tank?
3 m

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An empty tank measures 80 cm by 40 cm by 35 cm. Water flows into the tank from Tap B at a rate of 16 ℓ per minute. At the same time, water drains from the tank from Tap C at a rate of 14 ℓ per minute. How long would it take to completely fill the tank?