0.3 is halfway between 20% and 40%
10.5
-13.5
The halfway point between two numbers is found by calculating the average of the two numbers. In this case, the average of -20 and 10 is (-20 + 10) / 2 = -10 / 2 = -5. Therefore, the number halfway between -20 and 10 is -5.
15
17
It is: 15
It is 25
It is: 50
The fraction halfway between 2/5 and 9/10 is 13/20
30
-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.