Example $12\mathrm{.}1$: An earth embankment is compacted at a water content of $18\%$ to a bulk den$-$

sity of $19\mathrm{.}2k\frac{N}{m^3}.$ If the specific gravity of the sand is $2\mathrm{.}7,$ find the void ratio and the degree of

saturation of the compacted embankment.