You forgot the picture of the square, please repost the question with the picture next time.
Answer:
75%
Step-by-step explanation:
It went down by 3 so,
4-1=3
4 * 75% or 0.75=3
27 cubes are needed because you'd need a 3x3x3 cube
I got 70 as the list price. If it’s multiple choice and 70 isn’t one of the answers I’m sorry