Using the Volume Method, calculate the materials required for a class A concrete. Refer to Table$1-2.$ Use $1$ bag of cement $=40kg.(15$ points$)$

Cross$-$section of beam

Table $1-2$ Concrete Proportion $($Fajardo$,$ M$.,2000)$

$\backslash$table$[[\backslash$table$[[$Mixture$],[$Class$]],$Proportion,$\backslash$table$[[$Cement in$],[$Bag$]],$Sand,Gravel$],[,,40kg,50gg,$cu$.$m$,$cu$.$m$],[$AA$,1$:$\frac{11}{2}$:$3,12\mathrm{.}0,9\mathrm{.}5,0\mathrm{.}5,1\mathrm{.}0],[$A$,1$:$2$:$4,9\mathrm{.}0,7\mathrm{.}0,0\mathrm{.}5,1\mathrm{.}0],[$B$,1$:$\frac{21}{2}$:$5,7\mathrm{.}5,6\mathrm{.}0,0\mathrm{.}5,1\mathrm{.}0],[$C$,1$:$3$:$6,6\mathrm{.}0,5\mathrm{.}0,0\mathrm{.}5,1\mathrm{.}0]]$