Mario's father is building a skateboard ramp in the shape of a triangular prism. Mario has agreed to paint the ramp once its finished if a quart of paint covers 85 ft how many quarts of paint will mario need to buy

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

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

Hence, the number quarts of paint will mario needs to buy is:

504/85 ≈ 6

Hope it will find you well

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