Question
Tank X measuring 55 cm by 26 cm by 40 cm contains 4.2 ℓ of water. It is being filled with water flowing from Tap Y at 0.5 ℓ/min and Tap Z at 525 mℓ/min. Both taps are turned on at the same time. How long does it take to fill up Tank X till it is 75% full? Correct the answer to 1 decimal place.
3 m

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Tank X measuring 55 cm by 26 cm by 40 cm contains 4.2 ℓ of water. It is being filled with water flowing from Tap Y at 0.5 ℓ/min and Tap Z at 525 mℓ/min. Both taps are turned on at the same time. How long does it take to fill up Tank X till it is 75% full? Correct the answer to 1 decimal place.