What two numbers add up to 7520?

There are infinite combinations of two numbers that add up to 7520. Here are some examples using negative numbers:

-1 + 7521 = 7520
-2 + 7522 = 7520
-3 + 7523 = 7520
...

Here are some examples using two fractions that will add up to 7520:

7520/2 + 7520/2 = 7520
15040/3 + 7520/3 = 7520
22560/4 + 7520/4 = 7520
...

And here are some examples using two decimal numbers that will add up to 7520:

1.25 + 7518.75 = 7520
2.50 + 7517.5 = 7520
3.75 + 7516.25 = 7520
...

As you can see from the lists above, it can go on forever. However, when answering "What two numbers add up to 7520?", 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 7520. (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 7520?" has 3760 answers:

1 + 7519 = 7520
2 + 7518 = 7520
3 + 7517 = 7520
.
.
3758 + 3762 = 7520
3759 + 3761 = 7520
3760 + 3760 = 7520

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 7520 by 2 and then rounded down to the nearest whole number if necessary.

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