Halfway Between 70 and 420

When you ask "What number is halfway between 70 and 420?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=70 and Y=420.

Halfway Between Line

To find the number halfway between 70 and 420, we use the following formula:

(X + Y)/2 = Halfway Between

When we enter 70 and 420 into our formula, we get:

(70 + 420)/2 = 245

Thus, the number halfway between 70 and 420 is 245.

To check that our answer is correct, we subtract 70 from 245 and subtract 245 from 420 and compare the two numbers:

245 - 70 = 175
420 - 245 = 175

As you can see, the halfway number is 175 higher than 70 and 175 lower than 420. Therefore, our halfway between answer of 245 above is correct.

Halfway Between
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Halfway Between 70 and 421
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