material was compacted in an embankment with a bulk density of $2150/3$and a water content of $12\%.$ The value of is $2\mathrm{.}65.$ Calculate the following:$3\mathrm{.}1$ Dry density $(3)3\mathrm{.}2$ Void ratio $(3)3\mathrm{.}3$ Degree of saturation $(3)3\mathrm{.}4$ Air content