Help with homework plz 10 points!!!!!!!!!!!!!

Answer: Monday is 38 inches
Wednesday is 372
Step-by-step explanation:
Monday
perimeter=add
11 is the length so 11+11=22
Width is 8
8+8=16
22+16=38
Wednesday
324-(-38)
Keep
Flip
Change
KFC
324+38
324+38=372