it is: 22
Halfway between 31 and 32 is 31.5 (thirty-one and a half).
2713 + 41 = 5454 / 2 = 2727 is halfway between 13 and 41.
11
13
it is: 22
22(13+31)/2
The number halfway between 7 and 31 is 19.
halfway between 31 and 37 is (31 + 37) / 2 = 68 / 2 = 34.
Halfway between 31 and 32 is 31.5 (thirty-one and a half).
The number halfway between 13 and 41 is 27.
2713 + 41 = 5454 / 2 = 2727 is halfway between 13 and 41.
24
14.5
28
11
13