A sample of sand has a relative density of 40% with a solid specific gravity of 2.65. The minimum void ratio is 0.45 and the max. void ratio is 0.97. a) Determine the void ratio of the sand at a relative density of 40%. b) What is the density of this sand in a saturated condition? c) If the sand is compacted to a relative density of 65%, what will be the decrease in thickness of a 4 ft. thick layer.