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CEMC Gauss (Grade 7), 2001

Algebra Difficulty 1.0 Junior Find the answer Canada

The ratio of the number of big dogs to the number of small dogs at a pet show is $3:17$ . There are 80 dogs, in total, at this pet show. How many big dogs are there?

(A) $12$ (B) $68$ (C) $20$ (D) $24$ (E) $6$

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