Brady11 Brady11
  • 11-09-2015
  • Mathematics
contestada

How many pairs of whole numbers have a sum of 110

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AL2006
AL2006 AL2006
  • 11-09-2015

1 + 109
2 + 108
3 + 107
4 + 106
.
.
54 + 56
55 + 55

That makes 55 pairs.
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