Answer:
8x ft^3
Step-by-step explanation:
Step one:
given
dimension of the box
Length= 2ft
width = x ft
Height= 4 ft
Required;
the expression for the volume of the box
Step two:
We know that the volume is expressed generally as
V=L*W*H
V= 2*x*4
V= 8x ft^3
The expression for the volume is V= 8x ft^3