Question
The figure is not drawn to scale. G and H are two tanks. The base area of G is 34 cm2 while the base area of H is 40 cm2. Tank G and H contained some water and the height of the water level in Tank G was 41 cm as shown. Dan then poured some water from Tank G into Tank H. After that, the height of the water level in both tanks became 22 cm. What was the height of the water level in Tank H at first?
3 m

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The figure is not drawn to scale. G and H are two tanks. The base area of G is 34 cm2 while the base area of H is 40 cm2. Tank G and H contained some water and the height of the water level in Tank G was 41 cm as shown. Dan then poured some water from Tank G into Tank H. After that, the height of the water level in both tanks became 22 cm. What was the height of the water level in Tank H at first?