A volume of 50 cm^3 of dry sand is added to 30 cm^3 of water for a total volume of 60 cm^3. (a) What is the volume of water that does not go into air spaces between the sand particles? (b) What is the volume of water that does fill air spaces between the sand particles? (c) What is the volume of the air spaces between the particles in the dry sand? (d) What is the volume of the sand particles alone? (e) what fraction of the total volume of the dry sand is sand particles? Express your answer as a decimal.

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