When you ask "What number is halfway between 71 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=71 and Y=530.
To find the number halfway between 71 and 530, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 71 and 530 into our formula, we get:
(71 + 530)/2 = 300.5
Thus, the number halfway between 71 and 530 is 300.5.
To check that our answer is correct, we subtract 71 from 300.5 and subtract 300.5 from 530 and compare the two numbers:
300.5 - 71 = 229.5
530 - 300.5 = 229.5
As you can see, the halfway number is 229.5 higher than 71 and 229.5 lower than 530. Therefore, our halfway between answer of 300.5 above is correct.
Halfway Between
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Halfway Between 71 and 531
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