Question
Tank S measuring 42 cm by 28 cm by 20 cm contains 7.2 ℓ of water. It is being filled with water flowing from Tap T at 0.4 ℓ/min and Tap U at 687 mℓ/min. Both taps are turned on at the same time. How long does it take to fill up Tank S till it is 50% full? Correct the answer to 1 decimal place.
3 m

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Tank S measuring 42 cm by 28 cm by 20 cm contains 7.2 ℓ of water. It is being filled with water flowing from Tap T at 0.4 ℓ/min and Tap U at 687 mℓ/min. Both taps are turned on at the same time. How long does it take to fill up Tank S till it is 50% full? Correct the answer to 1 decimal place.