How many cubes with an edge of 1/4 inch are needed to build a cube with an edge length of 1 inch?

Question

I'm very confused with this.

Answer 1

each cube has an edge or side of length 1/4 inch,

where each cube has volume = 1/4 x 1/4 = 1/16 cubic inch

a cube with edge length = 1 inch has volume = 1 by 1 = 1 cubic inch

it takes 16 smaller cubes with volume 1/16 in^3 to make up a larger cube of 1 in^3 volume

1 cubic inch divided by (1/4)^3 = 1/(1/16) = 1(16) = 16