An aquarium tank is 1/6 full of water. When 2 gallons of water are added, the tank becomes 1/2 full. What is the total capacity of the aquarium tank, in gallons?
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An aquarium tank is 1/6 full of water. When 2 gallons of water are added, the tank becomes 1/2 full. What is the total capacity of the aquarium tank, in gallons?
Note that 1/2 is the same as 3/6.
So 2 gallons took the tank from 1/6 to 3/6.
So 2 gallons added 2/6. That means 1 gallon is 1/6.
Therefore, the total capacity of the aquarium is 6 gallons.
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