A wooden block floats in fresh water with two thirds of its volume submerged. In alcohol, the wooden block floats with 0.90 of its volume submerged. Determine the density of the wooden block and the density alcohol.   wooden block          alcohol A) 548 kg/m^3   787 kg/m^3    B) 777 kg/m^3   845 kg/m^3 C) 667 kg/m^3   741 kg/m^3 D) 649 kg/m^3   683 kg/m^3

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