When you ask "What number is halfway between 45 and 132?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=45 and Y=132.
To find the number halfway between 45 and 132, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 45 and 132 into our formula, we get:
(45 + 132)/2 = 88.5
Thus, the number halfway between 45 and 132 is 88.5.
To check that our answer is correct, we subtract 45 from 88.5 and subtract 88.5 from 132 and compare the two numbers:
88.5 - 45 = 43.5
132 - 88.5 = 43.5
As you can see, the halfway number is 43.5 higher than 45 and 43.5 lower than 132. Therefore, our halfway between answer of 88.5 above is correct.
Halfway Between
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Halfway Between 45 and 133
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