Morla881
Morla881
19-08-2015
Mathematics
contestada
How many pairs of whole numbers have a sum of 40
Respuesta :
SchwarzschildRadius
SchwarzschildRadius
19-08-2015
So,
We start with 0 + 40.
1. 0 + 40
2. 1 + 39
3. 2 + 38
4. 3 + 37
...
...
...
19. 18 + 22
20. 19 + 21
21. 20 + 20
Tada! There are 21 pairs of whole numbers that have a sum of 40.
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