How many pairs of whole numbers equal the sum of 40?
Answer:
20
Step-by-step explanation:
- 20+20
- 21+19
- 22+18
- 23+17
- 24+16
- 25+15
- 26+14
- 27+13
- 28+12
- 29+11
- 30+10
- 31+9
- 32+8
- 33+7
- 34+6
- 35+5
- 36+4
- 37+3
- 38+2
- 39+1
How many pairs of whole numbers equal 40
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