When you ask "What number is halfway between 47 and 189?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=47 and Y=189.
To find the number halfway between 47 and 189, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 47 and 189 into our formula, we get:
(47 + 189)/2 = 118
Thus, the number halfway between 47 and 189 is 118.
To check that our answer is correct, we subtract 47 from 118 and subtract 118 from 189 and compare the two numbers:
118 - 47 = 71
189 - 118 = 71
As you can see, the halfway number is 71 higher than 47 and 71 lower than 189. Therefore, our halfway between answer of 118 above is correct.
Halfway Between
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Halfway Between 47 and 190
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