When you ask "What number is halfway between 49 and 291?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=49 and Y=291.
To find the number halfway between 49 and 291, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 49 and 291 into our formula, we get:
(49 + 291)/2 = 170
Thus, the number halfway between 49 and 291 is 170.
To check that our answer is correct, we subtract 49 from 170 and subtract 170 from 291 and compare the two numbers:
170 - 49 = 121
291 - 170 = 121
As you can see, the halfway number is 121 higher than 49 and 121 lower than 291. Therefore, our halfway between answer of 170 above is correct.
Halfway Between
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Halfway Between 49 and 292
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