20
-5 It is 15 more than -20 and 15 less than 10 To find a halfway point (which is also the average), add the numbers together and divide by 2. -20 + 10 = -10 and -10/2 = -5
It is 25
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
15
-5
-5
30
It depends on which route you use, but if you take I-530 to US-65 to I-20 to MS-27 to I-55 to I-10, the halfway point is Vicksburg, MS.
(10-20)/2 = -10/2 = negative 5
The fraction halfway between 2/5 and 9/10 is 13/20
0.3 is halfway between 20% and 40%