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Mathematics 20 Online
OpenStudy (anonymous):

Patti's Pet Palace has an 80-gallon fish tank. When it needs to be cleaned, it can be drained at a rate of 3 gallons per minute. Assuming the tank was full, and x represents the number of minutes the tank has been draining, which of the following equations represents the amount of water in the tank after x minutes? A) y = 80x - 3 B) y = 80 - 3x C) y = 3x + 80 D) y = 3x - 80

OpenStudy (haichi):

B or D

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