Answer: C.36
Step-by-step explanation:
Area = 267
perimeter = 72
area- solve for the area of the 18 by 10 section, then the area of the 7 by 21 section. once you have those, determined the size of the shared area between those two and subtract from one of them.
perimeter- just add
C’(500)=80 means at 500 pounds of documents, the cost is increasing at a rate of $80 dollars/pound