When you ask "What number is halfway between 57 and 162?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=57 and Y=162.
To find the number halfway between 57 and 162, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 57 and 162 into our formula, we get:
(57 + 162)/2 = 109.5
Thus, the number halfway between 57 and 162 is 109.5.
To check that our answer is correct, we subtract 57 from 109.5 and subtract 109.5 from 162 and compare the two numbers:
109.5 - 57 = 52.5
162 - 109.5 = 52.5
As you can see, the halfway number is 52.5 higher than 57 and 52.5 lower than 162. Therefore, our halfway between answer of 109.5 above is correct.
Halfway Between
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Halfway Between 57 and 163
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