When you ask "What number is halfway between 84 and 620?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=84 and Y=620.
To find the number halfway between 84 and 620, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 84 and 620 into our formula, we get:
(84 + 620)/2 = 352
Thus, the number halfway between 84 and 620 is 352.
To check that our answer is correct, we subtract 84 from 352 and subtract 352 from 620 and compare the two numbers:
352 - 84 = 268
620 - 352 = 268
As you can see, the halfway number is 268 higher than 84 and 268 lower than 620. Therefore, our halfway between answer of 352 above is correct.
Halfway Between
Find halfway between two other numbers here!
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