chermain421
chermain421 chermain421
  • 11-04-2017
  • Mathematics
contestada

there are 21 key rings. how many groups of 3 key rings can you make?

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jojo12345679
jojo12345679 jojo12345679
  • 11-04-2017
you can make 7 groups of 3 rings
Cheers, :3
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Аноним Аноним
  • 11-04-2017
Seven key rings total.
Answer Link

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