When you ask "What number is halfway between 47 and 438?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=47 and Y=438.
To find the number halfway between 47 and 438, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 47 and 438 into our formula, we get:
(47 + 438)/2 = 242.5
Thus, the number halfway between 47 and 438 is 242.5.
To check that our answer is correct, we subtract 47 from 242.5 and subtract 242.5 from 438 and compare the two numbers:
242.5 - 47 = 195.5
438 - 242.5 = 195.5
As you can see, the halfway number is 195.5 higher than 47 and 195.5 lower than 438. Therefore, our halfway between answer of 242.5 above is correct.
Halfway Between
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Halfway Between 47 and 439
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