107
37
The number halfway between 13 and 21 can be found by taking the average of the two numbers. Add 13 and 21 together to get 34, then divide by 2 to get 17. Therefore, the number halfway between 13 and 21 is 17.
The halfway point between 31 and 32 can be calculated by finding the average of the two numbers. Adding 31 and 32 together gives us a total of 63. Dividing 63 by 2 gives us 31.5, which is the number exactly halfway between 31 and 32.
21
42
19.5 is halfway between 18 and 21
26.5
There is no distance between them.
107
It is: (63+57)/2 = 60
It is: 75
There are lots of numbers between 63 and 720. Exactly halfway between them is 391.50, so that may be the answer you are looking for.
Do you mean like what is the number exactly between them. 53+63=116/2=58
37
The number halfway between 13 and 21 can be found by taking the average of the two numbers. Add 13 and 21 together to get 34, then divide by 2 to get 17. Therefore, the number halfway between 13 and 21 is 17.
21