Question
The figure is not drawn to scale. N and P are two tanks. The base area of N is 19 cm2 while the base area of P is 18 cm2. Tank N and P contained some water and the height of the water level in Tank N was 43 cm as shown. Dan then poured some water from Tank N into Tank P. After that, the height of the water level in both tanks became 25 cm. What was the height of the water level in Tank P at first?
3 m

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The figure is not drawn to scale. N and P are two tanks. The base area of N is 19 cm2 while the base area of P is 18 cm2. Tank N and P contained some water and the height of the water level in Tank N was 43 cm as shown. Dan then poured some water from Tank N into Tank P. After that, the height of the water level in both tanks became 25 cm. What was the height of the water level in Tank P at first?