When you ask "What number is halfway between 54 and 122?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=54 and Y=122.
To find the number halfway between 54 and 122, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 54 and 122 into our formula, we get:
(54 + 122)/2 = 88
Thus, the number halfway between 54 and 122 is 88.
To check that our answer is correct, we subtract 54 from 88 and subtract 88 from 122 and compare the two numbers:
88 - 54 = 34
122 - 88 = 34
As you can see, the halfway number is 34 higher than 54 and 34 lower than 122. Therefore, our halfway between answer of 88 above is correct.
Halfway Between
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Halfway Between 54 and 123
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