When you ask "What number is halfway between 8 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=8 and Y=79.
To find the number halfway between 8 and 79, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 8 and 79 into our formula, we get:
(8 + 79)/2 = 43.5
Thus, the number halfway between 8 and 79 is 43.5.
To check that our answer is correct, we subtract 8 from 43.5 and subtract 43.5 from 79 and compare the two numbers:
43.5 - 8 = 35.5
79 - 43.5 = 35.5
As you can see, the halfway number is 35.5 higher than 8 and 35.5 lower than 79. Therefore, our halfway between answer of 43.5 above is correct.
Halfway Between
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Halfway Between 8 and 80
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