When you ask "What number is halfway between 19 and 79?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=19 and Y=79.
To find the number halfway between 19 and 79, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 19 and 79 into our formula, we get:
(19 + 79)/2 = 49
Thus, the number halfway between 19 and 79 is 49.
To check that our answer is correct, we subtract 19 from 49 and subtract 49 from 79 and compare the two numbers:
49 - 19 = 30
79 - 49 = 30
As you can see, the halfway number is 30 higher than 19 and 30 lower than 79. Therefore, our halfway between answer of 49 above is correct.
Halfway Between
Find halfway between two other numbers here!
Halfway Between 19 and 80
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