When you ask "What number is halfway between 7 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=7 and Y=143.
To find the number halfway between 7 and 143, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 7 and 143 into our formula, we get:
(7 + 143)/2 = 75
Thus, the number halfway between 7 and 143 is 75.
To check that our answer is correct, we subtract 7 from 75 and subtract 75 from 143 and compare the two numbers:
75 - 7 = 68
143 - 75 = 68
As you can see, the halfway number is 68 higher than 7 and 68 lower than 143. Therefore, our halfway between answer of 75 above is correct.
Halfway Between
Find halfway between two other numbers here!
Halfway Between 7 and 144
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