Question
The figure is not drawn to scale. P and Q are two tanks. The base area of P is 28 cm2 while the base area of Q is 65 cm2. Tank P and Q contained some water and the height of the water level in Tank P was 42 cm as shown. Dan then poured some water from Tank P into Tank Q. After that, the height of the water level in both tanks became 29 cm. What was the height of the water level in Tank Q at first?
3 m

Click button first when a symbol is required. X

The figure is not drawn to scale. P and Q are two tanks. The base area of P is 28 cm2 while the base area of Q is 65 cm2. Tank P and Q contained some water and the height of the water level in Tank P was 42 cm as shown. Dan then poured some water from Tank P into Tank Q. After that, the height of the water level in both tanks became 29 cm. What was the height of the water level in Tank Q at first?