Halfway Between 70 and 685

When you ask "What number is halfway between 70 and 685?" 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=685.

Halfway Between Line

To find the number halfway between 70 and 685, we use the following formula:

(X + Y)/2 = Halfway Between

When we enter 70 and 685 into our formula, we get:

(70 + 685)/2 = 377.5

Thus, the number halfway between 70 and 685 is 377.5.

To check that our answer is correct, we subtract 70 from 377.5 and subtract 377.5 from 685 and compare the two numbers:

377.5 - 70 = 307.5
685 - 377.5 = 307.5

As you can see, the halfway number is 307.5 higher than 70 and 307.5 lower than 685. Therefore, our halfway between answer of 377.5 above is correct.

Halfway Between
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Halfway Between 70 and 686
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