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 
1) 50x30
2) 2000+409
3) 500+800
Answer:
D
Step-by-step explanation:
the square root of 24 is 4.8 so it has to be D