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A large tank has a 40.0 cm deep layer of water floating on top of a...

A large tank has a 40.0 cm deep layer of water floating on top of a 60.0 cm deep layer of glycerin. A dense wooden cube has a side length of 2.00 cm and a mass of 9.20×(10^−3) kg.

When the cube floats in the tank, what fraction of its volume is below the surface of the glycerin?

Express your answer in percent.

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