How many pairs of whole numbers have a sum of 40?

**For the writer, ** there are 20 1. 1

39 = 40

2. 2

38 = 40

3. 3

37 = 40

4. 4

36 = 40

5. 5

35 = 40

6. 6

34 = 40

7. 7

33 = 40

8. 8

32 = 40

9. 9

31 = 40

10. 10

30 = 40

11. 11

29 = 40

12. 12

28 = 40

13. 13

27 = 40

14. 14

26 = 40

15. 15

25 = 40

16. 16

24 = 40

17. 17

23 = 40

18. 18

22 = 40

19. 19

21 = 40

20. 20

20 = 40

Answered by taskmasters | 2024-06-10

There are 41 pairs of whole numbers that add up to 40. Each pair consists of two numbers, and we can find them by systematically listing combinations such as (0, 40) and (1, 39). The pairs will continue until we reach (40, 0).
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Answered by taskmasters | 2024-10-01