When you ask "What number is halfway between 7 and 298?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=7 and Y=298.
To find the number halfway between 7 and 298, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 7 and 298 into our formula, we get:
(7 + 298)/2 = 152.5
Thus, the number halfway between 7 and 298 is 152.5.
To check that our answer is correct, we subtract 7 from 152.5 and subtract 152.5 from 298 and compare the two numbers:
152.5 - 7 = 145.5
298 - 152.5 = 145.5
As you can see, the halfway number is 145.5 higher than 7 and 145.5 lower than 298. Therefore, our halfway between answer of 152.5 above is correct.
Halfway Between
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Halfway Between 7 and 299
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