Please explain which answer is correct Examine the data in t

Please explain which answer is correct.

Examine the data in the table below and answer the question that follows. Assuming the trends were to continue in Year 3, what would be the best value to fill in cell A? 7,400 7,700 8,250 8,500

Solution

the correct answer is 8500 :)

as in Q3 row the difference between 18900 and 13700 is 5200 so

A= 13700-5200 =8500