coryowens44
coryowens44
14.05.2021 • 
Mathematics

Frank has two fish tanks • His new tank contains 20 liters and is being filled at a rate of 5 liters per minutes.
• His old tank contains 75 liters and is being drained at a rate of 3 liters per minute.

Write an equation to find x, the number of minutes until they contain the same amount of water.

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