Question
A rectangular tank has a base area of 21 cm2. It is half filled with water. If 5 mugs of water are poured into the tank, 435 mℓ of water will overflow. If 4 mugs of water are poured into the tank, 117 mℓ of water will overflow. Find the height of the tank.
2 m

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A rectangular tank has a base area of 21 cm2. It is half filled with water. If 5 mugs of water are poured into the tank, 435 mℓ of water will overflow. If 4 mugs of water are poured into the tank, 117 mℓ of water will overflow. Find the height of the tank.