Respuesta :
The only numbers that could be Ann's favorite are
39
38
37
29
28
27
19
18
17
39
38
37
29
28
27
19
18
17
The only numbers it could be is 17, 18, 19, 27, 28, 29, 37, 38,or 39. Unless you mean just 1 more less and 1 more up than it would be 37.