Question
Tank Q measuring 50 cm by 24 cm by 39 cm contains 3.5 ℓ of water. It is being filled with water flowing from Tap R at 0.5 ℓ/min and Tap S at 573 mℓ/min. Both taps are turned on at the same time. How long does it take to fill up Tank Q till it is 71% full? Correct the answer to 1 decimal place.
3 m

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Tank Q measuring 50 cm by 24 cm by 39 cm contains 3.5 ℓ of water. It is being filled with water flowing from Tap R at 0.5 ℓ/min and Tap S at 573 mℓ/min. Both taps are turned on at the same time. How long does it take to fill up Tank Q till it is 71% full? Correct the answer to 1 decimal place.