Answer:
2) 12,000 ft²
3) 30 gallons.
Step-by-step explanation:
2) 1. You can calculate the lateral surface area of the exterior walls of the warehouse by applying the formula shown below:
Where <em>h</em> is the height, <em>l</em> is the lenght and <em>w</em> is the width.
2. Substitute values and you obtain that the lateral area is:
3) You know that 1 gallon of paint covers 400 ft², therefore for 12,000 ft² are needed the following number of gallons (which is represented by <em>x</em>):
