Question
Tank B measuring 50 cm by 21 cm by 36 cm contains 6.5 ℓ of water. It is being filled with water flowing from Tap C at 0.6 ℓ/min and Tap D at 591 mℓ/min. Both taps are turned on at the same time. How long does it take to fill up Tank B till it is 80% full? Correct the answer to 1 decimal place.
3 m

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Tank B measuring 50 cm by 21 cm by 36 cm contains 6.5 ℓ of water. It is being filled with water flowing from Tap C at 0.6 ℓ/min and Tap D at 591 mℓ/min. Both taps are turned on at the same time. How long does it take to fill up Tank B till it is 80% full? Correct the answer to 1 decimal place.