When you ask "What number is halfway between 2 and 19?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=2 and Y=19.
To find the number halfway between 2 and 19, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 2 and 19 into our formula, we get:
(2 + 19)/2 = 10.5
Thus, the number halfway between 2 and 19 is 10.5.
To check that our answer is correct, we subtract 2 from 10.5 and subtract 10.5 from 19 and compare the two numbers:
10.5 - 2 = 8.5
19 - 10.5 = 8.5
As you can see, the halfway number is 8.5 higher than 2 and 8.5 lower than 19. Therefore, our halfway between answer of 10.5 above is correct.
Halfway Between
Find halfway between two other numbers here!
Halfway Between 2 and 20
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