Question

what number would complete the pattern below

107 98 90 83 77 - 68 65

Answer 1

107, 98, 90, 83, 77, 72, 68, 65

107 - 9 = 98
98 - 8 = 90
90 - 7 = 83
83 - 6 = 77
77 - 5 = 72
72 - 4 = 68
68 - 3 = 65
and the next one u would subtract 2, and the next one u would subtract 1....and so on

Answer 2

Hello,
107-9=98
98-8=90
90-7=83
83-6=77
77-5=72
72-4=68
68-3=65
65-2=63
63-1=62
62-0=62
62+1=63
....
$a_{1} =107\\\\ a_{n} =a_{n-1}-11+n$