Question
The figure is not drawn to scale. F and G are two containers. The base area of F is 54 cm2 while the base area of G is 40 cm2. Container F and G contained some water and the height of the water level in Container F was 46 cm as shown. Dan then poured some water from Container F into Container G. After that, the height of the water level in both tanks became 30 cm. What was the height of the water level in Container G at first?
3 m

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The figure is not drawn to scale. F and G are two containers. The base area of F is 54 cm2 while the base area of G is 40 cm2. Container F and G contained some water and the height of the water level in Container F was 46 cm as shown. Dan then poured some water from Container F into Container G. After that, the height of the water level in both tanks became 30 cm. What was the height of the water level in Container G at first?