When you ask "What number is halfway between 99 and 747?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=99 and Y=747.
To find the number halfway between 99 and 747, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 99 and 747 into our formula, we get:
(99 + 747)/2 = 423
Thus, the number halfway between 99 and 747 is 423.
To check that our answer is correct, we subtract 99 from 423 and subtract 423 from 747 and compare the two numbers:
423 - 99 = 324
747 - 423 = 324
As you can see, the halfway number is 324 higher than 99 and 324 lower than 747. Therefore, our halfway between answer of 423 above is correct.
Halfway Between
Find halfway between two other numbers here!
Halfway Between 99 and 748
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