Question
Tank C measuring 57 cm by 24 cm by 20 cm contains 7.7 ℓ of water. It is being filled with water flowing from Tap D at 0.7 ℓ/min and Tap E at 553 mℓ/min. Both taps are turned on at the same time. How long does it take to fill up Tank C till it is 60% full? Correct the answer to 1 decimal place.
3 m

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Tank C measuring 57 cm by 24 cm by 20 cm contains 7.7 ℓ of water. It is being filled with water flowing from Tap D at 0.7 ℓ/min and Tap E at 553 mℓ/min. Both taps are turned on at the same time. How long does it take to fill up Tank C till it is 60% full? Correct the answer to 1 decimal place.