math148
math148
10-09-2015
Mathematics
contestada
how many pairs of whole numbers have the sum of 40
Respuesta :
neciababy
neciababy
10-09-2015
We start with 0 + 40.
1. 0 + 40
2. 1 + 39
3. 2 + 38
4. 3 + 37
.....
keep going....
.....
19. 18 + 22
20. 19 + 21
21. 20 + 20
There are 21 pairs of whole numbers that have a sum of 40.
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