I actually just learned this. I think this is the right answer.
Answer:
Hmm, this one is confusing. Try B, it seems most probable.
Step-by-step explanation:
The answer is

inches
Step 1. Subtract length of the door from the width of the door:

Step 2. You want the same space to be on each side of the bar. So, divide the difference from step 1 by 2:
6+6+6+6+6+6+6+6= 48
The perimeter is 48.
Answer:
Option A
Saves=$28.75
Step-by-step explanation:
See the image .