Question
Betty had an empty container of capacity 629 cm3 and a 3-cm square base tank filled with water to a height 10 cm. She filled the container with some water until it is 45 full. She then transferred half of the water from the container into the tank. How much water was there in the tank now?
3 m

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Betty had an empty container of capacity 629 cm3 and a 3-cm square base tank filled with water to a height 10 cm. She filled the container with some water until it is 45 full. She then transferred half of the water from the container into the tank. How much water was there in the tank now?