Question
The figure is not drawn to scale. E and F are two tanks. The base area of E is 11 cm2 while the base area of F is 56 cm2. Tank E and F contained some water and the height of the water level in Tank E was 69 cm as shown. Dan then poured some water from Tank E into Tank F. After that, the height of the water level in both tanks became 27 cm. What was the height of the water level in Tank F at first?
3 m

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The figure is not drawn to scale. E and F are two tanks. The base area of E is 11 cm2 while the base area of F is 56 cm2. Tank E and F contained some water and the height of the water level in Tank E was 69 cm as shown. Dan then poured some water from Tank E into Tank F. After that, the height of the water level in both tanks became 27 cm. What was the height of the water level in Tank F at first?