Answer:
6
Step-by-step explanation:
I think your question is missed of key information, allow me to add in and hope it will fit the original one.
Please have a look at the attached photo.
My answer:
We need to find the total surface area of the building a skateboard ramp without its bottom.
So the total surface area is: 262.5 + 168 +73.5 = 504 [tex]ft^{2}[/tex]
Hence, the number quarts of paint will mario needs to buy is:
504/85 ≈ 6
Hope it will find you well