When you ask "What number is halfway between 18 and 722?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=18 and Y=722.
To find the number halfway between 18 and 722, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 18 and 722 into our formula, we get:
(18 + 722)/2 = 370
Thus, the number halfway between 18 and 722 is 370.
To check that our answer is correct, we subtract 18 from 370 and subtract 370 from 722 and compare the two numbers:
370 - 18 = 352
722 - 370 = 352
As you can see, the halfway number is 352 higher than 18 and 352 lower than 722. Therefore, our halfway between answer of 370 above is correct.
Halfway Between
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Halfway Between 18 and 723
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