When you ask "What number is halfway between 1 and 142?" 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=142.
To find the number halfway between 1 and 142, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 1 and 142 into our formula, we get:
(1 + 142)/2 = 71.5
Thus, the number halfway between 1 and 142 is 71.5.
To check that our answer is correct, we subtract 1 from 71.5 and subtract 71.5 from 142 and compare the two numbers:
71.5 - 1 = 70.5
142 - 71.5 = 70.5
As you can see, the halfway number is 70.5 higher than 1 and 70.5 lower than 142. Therefore, our halfway between answer of 71.5 above is correct.
Halfway Between
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Halfway Between 1 and 143
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