153042

Challenge 1
A)The highest number of the cube staircase was 83 in total. it looked like this:

6 6 665544
25 52
134 431 6
2
3
B)The lowest number of the cube staircase was 64 in total. It looked like this:

1 1 112233
53 35
462 264 1
5
4
C)We calculated the above by making the higher numbers have more surface area making a higher number. For the lowest number I did the same but with the lower numbers having more surface area.
D)We made our total for 75 by :
5 5 553311
43 34
621 126 5
4
6