What two numbers add up to 1602?

There are infinite combinations of two numbers that add up to 1602. Here are some examples using negative numbers:

-1 + 1603 = 1602
-2 + 1604 = 1602
-3 + 1605 = 1602
...

Here are some examples using two fractions that will add up to 1602:

1602/2 + 1602/2 = 1602
3204/3 + 1602/3 = 1602
4806/4 + 1602/4 = 1602
...

And here are some examples using two decimal numbers that will add up to 1602:

1.25 + 1600.75 = 1602
2.50 + 1599.5 = 1602
3.75 + 1598.25 = 1602
...

As you can see from the lists above, it can go on forever. However, when answering "What two numbers add up to 1602?", 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 1602. (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 1602?" has 801 answers:

1 + 1601 = 1602
2 + 1600 = 1602
3 + 1599 = 1602
.
.
799 + 803 = 1602
800 + 802 = 1602
801 + 801 = 1602

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 1602 by 2 and then rounded down to the nearest whole number if necessary.

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