When you ask "What number is halfway between 1 and 143?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=1 and Y=143.
To find the number halfway between 1 and 143, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 1 and 143 into our formula, we get:
(1 + 143)/2 = 72
Thus, the number halfway between 1 and 143 is 72.
To check that our answer is correct, we subtract 1 from 72 and subtract 72 from 143 and compare the two numbers:
72 - 1 = 71
143 - 72 = 71
As you can see, the halfway number is 71 higher than 1 and 71 lower than 143. Therefore, our halfway between answer of 72 above is correct.
Halfway Between
Find halfway between two other numbers here!
Halfway Between 1 and 144
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