When you ask "What number is halfway between 19 and 68?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=19 and Y=68.
To find the number halfway between 19 and 68, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 19 and 68 into our formula, we get:
(19 + 68)/2 = 43.5
Thus, the number halfway between 19 and 68 is 43.5.
To check that our answer is correct, we subtract 19 from 43.5 and subtract 43.5 from 68 and compare the two numbers:
43.5 - 19 = 24.5
68 - 43.5 = 24.5
As you can see, the halfway number is 24.5 higher than 19 and 24.5 lower than 68. Therefore, our halfway between answer of 43.5 above is correct.
Halfway Between
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Halfway Between 19 and 69
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