Answer:
To find the volume of a rectangular prism, you need to multiply its length, width, and height.
Assuming that the dimensions are in inches, we have:
Length = 16 inches + 1/4 inch = 16.25 inches
Width = 1/2 inch
Height = some unknown value (not given in the question)
So, if we know the height, we can calculate the volume of the rectangular prism. If the height is, for example, 10 inches, then:
Volume = Length x Width x Height
Volume = 16.25 inches x 0.5 inches x 10 inches
Volume = 81.25 cubic inches
Therefore, the volume of the rectangular prism depends on its height, which is not given in the question.