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Mathematics, 12.09.2019 01:20 senituliii

Awater tank is emptied at a constant rate. at the end of the first hour, 36,000 gallons of water were in the tank. after 6 hours, 21,000 gallons remained. how many gallons of water were in the tank at the end of the fourth hour?

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Awater tank is emptied at a constant rate. at the end of the first hour, 36,000 gallons of water wer...
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