What two numbers add up to 6720?

There are infinite combinations of two numbers that add up to 6720. Here are some examples using negative numbers:

-1 + 6721 = 6720
-2 + 6722 = 6720
-3 + 6723 = 6720
...

Here are some examples using two fractions that will add up to 6720:

6720/2 + 6720/2 = 6720
13440/3 + 6720/3 = 6720
20160/4 + 6720/4 = 6720
...

And here are some examples using two decimal numbers that will add up to 6720:

1.25 + 6718.75 = 6720
2.50 + 6717.5 = 6720
3.75 + 6716.25 = 6720
...

As you can see from the lists above, it can go on forever. However, when answering "What two numbers add up to 6720?", it may be more interesting to set some criteria to limit the result. We will set the follow criteria:

1) Only positive whole numbers can add up to 6720. (0 is not a positive or negative number and should not be included.)

2) Since a+b=29 is the same as b+a=29, we should only list it once.

Now, the answer to "What two numbers add up to 6720?" has 3360 answers:

1 + 6719 = 6720
2 + 6718 = 6720
3 + 6717 = 6720
.
.
3358 + 3362 = 6720
3359 + 3361 = 6720
3360 + 3360 = 6720

We have truncated the list above due to space, but you may be interested to know that we calculated the number of answers by dividing 6720 by 2 and then rounded down to the nearest whole number if necessary.

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