The answer is 170,
This is an arithmetic sequence, meaning you use addition or subtraction and not multiplication and division. The sequence changes like this, 101 - 82 = 19
So you would think you would add 19 to 101 to find the next number, however, 101 + 19 /= 122.
So it can't be the same number, so the equation sequence must add or subtract.
122 - 101 = 21
That is 2 more than 19. In order to confirm this is the proper sequence, you take the next number, or 145 - 122 = 23.
Now 23 - 21 = 2
The sequence changes by an increase of 2 every time in these selected numbers in the sequence. Therefore, you can accurately assume that the next number is 170
I hope this helped!
