Question

a box is to be formed by cutting square pieces out of the corner of a rectangular piece of a 4" by 6"

Answer 1

6 ; 6 - 2w ; 4 ; 4 ; 4 - 2 w ; w x 6 - 2w x 4 - 2w ; [ 4 - 2w ] [ 6 - 2 w] = 256.... and goes on.