Answer:
The new volume of the pyramid would be cut in half.
Explanation:
from the equation of the volume of the pyramid

where is l length and w is width and h is height.
substituting that l1 = 1/2 , and w1 = w/2 and h1 = 2h,
we will end up with half of the original volume.
The final result would be
, which is half as small.