What two numbers add to 20 and subtract to 1?

Here we will tell you what two numbers add to 20 and subtract to 1 and prove that our answer is correct.

The two numbers that add to 20 and subtract to 1 are:

10.5 and 9.5

And here is the math to prove that our answer to "What two numbers add to 20 and subtract to 1?" is correct:

Add:
10.5 + 9.5 = 20

Subtract:
10.5 - 9.5 = 1

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