When you ask "What number is halfway between 47 and 530?" 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=530.
To find the number halfway between 47 and 530, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 47 and 530 into our formula, we get:
(47 + 530)/2 = 288.5
Thus, the number halfway between 47 and 530 is 288.5.
To check that our answer is correct, we subtract 47 from 288.5 and subtract 288.5 from 530 and compare the two numbers:
288.5 - 47 = 241.5
530 - 288.5 = 241.5
As you can see, the halfway number is 241.5 higher than 47 and 241.5 lower than 530. Therefore, our halfway between answer of 288.5 above is correct.
Halfway Between
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Halfway Between 47 and 531
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