When you ask "What number is halfway between 2 and 99?" 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=99.
To find the number halfway between 2 and 99, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 2 and 99 into our formula, we get:
(2 + 99)/2 = 50.5
Thus, the number halfway between 2 and 99 is 50.5.
To check that our answer is correct, we subtract 2 from 50.5 and subtract 50.5 from 99 and compare the two numbers:
50.5 - 2 = 48.5
99 - 50.5 = 48.5
As you can see, the halfway number is 48.5 higher than 2 and 48.5 lower than 99. Therefore, our halfway between answer of 50.5 above is correct.
Halfway Between
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Halfway Between 2 and 100
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