0
Wiki User
28
The number halfway between 7 and 31 is 19.
(24 + 74)/2 = 49
8.5
90
7.5
the number that comes exactly between 45 and 49 is 44 and half
46
7 7 x 4 = 28 7 x 7 = 49
8
49 there you go
11.. 7+4=11 and 15-4=11
42 & 49 !