When you ask "What number is halfway between 8 and 170?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=8 and Y=170.
To find the number halfway between 8 and 170, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 8 and 170 into our formula, we get:
(8 + 170)/2 = 89
Thus, the number halfway between 8 and 170 is 89.
To check that our answer is correct, we subtract 8 from 89 and subtract 89 from 170 and compare the two numbers:
89 - 8 = 81
170 - 89 = 81
As you can see, the halfway number is 81 higher than 8 and 81 lower than 170. Therefore, our halfway between answer of 89 above is correct.
Halfway Between
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Halfway Between 8 and 171
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