When you ask "What number is halfway between 31 and 196?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=31 and Y=196.
To find the number halfway between 31 and 196, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 31 and 196 into our formula, we get:
(31 + 196)/2 = 113.5
Thus, the number halfway between 31 and 196 is 113.5.
To check that our answer is correct, we subtract 31 from 113.5 and subtract 113.5 from 196 and compare the two numbers:
113.5 - 31 = 82.5
196 - 113.5 = 82.5
As you can see, the halfway number is 82.5 higher than 31 and 82.5 lower than 196. Therefore, our halfway between answer of 113.5 above is correct.
Halfway Between
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Halfway Between 31 and 197
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