Answer:
700 feet
Step-by-step explanation:
you just add the two 50 wich makes that 100 then add 100 to 600
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 month = 17 536
6 months = 17 536 x 6
6 months = 105 216
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Ans: 105 216 miles
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