Please need help with this and need steps

Answer:
Volume of water tank = 2420 cubic feet
Step-by-step explanation:
Given .
Since,
Volume of rectangular prism(cuboid)=Length×Breadth×Height
Therefore ,
[tex]V=L\times B\times H[/tex]
[tex]V=(Top Surface Area)\times H[/tex]
[tex]V=220\times11[/tex]
[tex]V=2420 cubic feet[/tex]