Answer:
Step-by-step explanation:
Alright, lets get started.
The cost of refrigerator is 850
The operating cost for 1 year = 62
So, for x years, the operating cost will be =
Average annual cost = purchase cost + operating cost
Average annual cost =
So, the expression will be : : Answer
Hope it will help :)
the answer is:
850+62x
b= -0.1
it's 10
i searched it up.