When you ask "What number is halfway between 51 and 270?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=51 and Y=270.
To find the number halfway between 51 and 270, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 51 and 270 into our formula, we get:
(51 + 270)/2 = 160.5
Thus, the number halfway between 51 and 270 is 160.5.
To check that our answer is correct, we subtract 51 from 160.5 and subtract 160.5 from 270 and compare the two numbers:
160.5 - 51 = 109.5
270 - 160.5 = 109.5
As you can see, the halfway number is 109.5 higher than 51 and 109.5 lower than 270. Therefore, our halfway between answer of 160.5 above is correct.
Halfway Between
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Halfway Between 51 and 271
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