Question
Tank P measuring 40 cm by 30 cm by 35 cm contains 3.8 ℓ of water. It is being filled with water flowing from Tap Q at 0.6 ℓ/min and Tap R at 631 mℓ/min. Both taps are turned on at the same time. How long does it take to fill up Tank P till it is 77% full? Correct the answer to 1 decimal place.
3 m

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Tank P measuring 40 cm by 30 cm by 35 cm contains 3.8 ℓ of water. It is being filled with water flowing from Tap Q at 0.6 ℓ/min and Tap R at 631 mℓ/min. Both taps are turned on at the same time. How long does it take to fill up Tank P till it is 77% full? Correct the answer to 1 decimal place.