It is 15
The number halfway between 7 and 31 is 19.
22 is halfway between 19 and 25 because 19+3=22, and 22+3=25.
It is 23.5, which is the value halfway between the two middle values.
41.5
19
22 is halfway between 19 and 25 because 19+3=22, and 22+3=25.
17.5
41.5
-14.5
It is 47, the number halfway between the two of them.
9.9 + 11 = 20.9/2 = 10.45
11/14
It is: 11/24
The composite numbers between 11 and 19 are: 12 14 15 16 18 The other numbers, 11, 13, 17, and 19, are all prime.
11, 13, 17, 19
The prime numbers between 10 and 20 are 11, 13, 17, and 19.
The prime numbers between 10 and 20 are 11, 13, 17, and 19.