When you ask "What number is halfway between 87 and 114?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=87 and Y=114.
To find the number halfway between 87 and 114, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 87 and 114 into our formula, we get:
(87 + 114)/2 = 100.5
Thus, the number halfway between 87 and 114 is 100.5.
To check that our answer is correct, we subtract 87 from 100.5 and subtract 100.5 from 114 and compare the two numbers:
100.5 - 87 = 13.5
114 - 100.5 = 13.5
As you can see, the halfway number is 13.5 higher than 87 and 13.5 lower than 114. Therefore, our halfway between answer of 100.5 above is correct.
Halfway Between
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Halfway Between 87 and 115
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