complete a structural fill. The in$-$place density $($i$.$e$.,$ bank density$)$ of the fill material is $2800lb\frac{.}{y}{d}^3,$ th loose density is $2300lb\frac{.}{y}{d}^3,$ and the compacted density is $3400lb\frac{.}{y}{d}^3.$

Note: Type your work w$/$ answer under each question. Display your answer to the nearest $0\mathrm{.}1.$