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

There are 21 key rings. how many groups of 3 key rings can you make?
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1 vote
There are 21 key rings. how many groups of 3 key rings can you make?

User Haansi
by
8.2k points

2 Answers

4 votes
Seven key rings total.
User Verybadalloc
by
8.6k points
4 votes
you can make 7 groups of 3 rings
Cheers, :3
User WirthLuce
by
8.0k points
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