It is: 15
17
the number between 2 and 20 is 11
-5
5 It is 15 more than -10 and 15 less than +20. To find the halfway point (the average), add the two numbers and divide by 2. -10 + 20 = 10 divided by 2 = 5
20
15
30
It is: 15
It is: 50
17
The fraction halfway between 2/5 and 9/10 is 13/20
the number between 2 and 20 is 11
-5
The number halfway between 18 and 22 can be found by taking the average of the two numbers. Adding 18 and 22 together gives us 40, and dividing by 2 gives us 20. Therefore, the number halfway between 18 and 22 is 20.
(10-20)/2 = -10/2 = negative 5
35