When you ask "What number is halfway between 74 and 989?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=74 and Y=989.
To find the number halfway between 74 and 989, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 74 and 989 into our formula, we get:
(74 + 989)/2 = 531.5
Thus, the number halfway between 74 and 989 is 531.5.
To check that our answer is correct, we subtract 74 from 531.5 and subtract 531.5 from 989 and compare the two numbers:
531.5 - 74 = 457.5
989 - 531.5 = 457.5
As you can see, the halfway number is 457.5 higher than 74 and 457.5 lower than 989. Therefore, our halfway between answer of 531.5 above is correct.
Halfway Between
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Halfway Between 74 and 990
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