Question
An empty rectangular container has a capacity of 47 ℓ and a height of 125 cm. At 10 a.m., Tap K is turned on to fill the container at a rate of 2 ℓ per minute for 19 minutes. After 11 minutes, Tap L is turned on to drain water from the container at a rate of 2 ℓ per minute for 18 minutes. What is the height of the water level in the container in the end? Give the answer in 1 decimal place.
3 m

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An empty rectangular container has a capacity of 47 ℓ and a height of 125 cm. At 10 a.m., Tap K is turned on to fill the container at a rate of 2 ℓ per minute for 19 minutes. After 11 minutes, Tap L is turned on to drain water from the container at a rate of 2 ℓ per minute for 18 minutes. What is the height of the water level in the container in the end? Give the answer in 1 decimal place.