Mathematics, 22.07.2019 08:00, maddireigh6403

Water needs to be removed from an underground chamber before work can commence. when the water was at a depth of 3m, five suction pipes were used and emptied the chamber in 4 hours. if the water is now at a depth of 5m (same cross-section), and you want to empty the chamber in 10 hours time, how many pipes need to be used?

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Water needs to be removed from an underground chamber before work can commence. when the water was a...