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3 years ago

14

How many ways are there to choose three donuts from 4 varieties if there must be an odd number of glazed donuts? the number of g

lazed must be 1 or 3?

1 answer:

Salsk061 [2.6K]3 years ago

3 0

1 glazed and 2 others or 3 glazed and 0 others

1 x 3 x 3 + 1 x 1 x 1

9 + 1

10

Answer: 10

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