Question
The figure is not drawn to scale. A and B are two tanks. The base area of A is 50 cm2 while the base area of B is 48 cm2. Tank A and B contained some water and the height of the water level in Tank A was 41 cm as shown. Dan then poured some water from Tank A into Tank B. After that, the height of the water level in both tanks became 29 cm. What was the height of the water level in Tank B at first?
3 m

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The figure is not drawn to scale. A and B are two tanks. The base area of A is 50 cm2 while the base area of B is 48 cm2. Tank A and B contained some water and the height of the water level in Tank A was 41 cm as shown. Dan then poured some water from Tank A into Tank B. After that, the height of the water level in both tanks became 29 cm. What was the height of the water level in Tank B at first?