out of every 13 will most likely be an ace.
To solve this problem you must apply the proccedure shown below:
1. You have that:
-The length is
feet.
- The width is
feet.
- The height is
feet.
2. The box has one base. The cost of the base is:

3. It has four sides. The cost of the sides are:

The answer is: The total cost is 
It is very simple it would be positive but would remain 35
First you want to get the x's on the same side
3x-5=2x+6
subtract 2x and add 5
x=11
Hope this helps!