We make the drawing
now we can use the formula of the volume of a prism
[tex]V=l\times w\times h[/tex]
where l is the length, w the width and h the height
then replacing
[tex]\begin{gathered} V=3\times3\times1.05 \\ V=9.45 \end{gathered}[/tex]
Johannas should order 9.45 cubic feet of sand
