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Algebra Difficulty 2.0 Junior Find the answer United Kingdom

Forty furry ferrets weigh the same as fifty fit ferrets. Forty-five fit ferrets weigh the same as fifty-four friendly ferrets. How many friendly ferrets weigh the same as fifty furry ferrets?

(A) $40$ (B) $55$ (C) $60$ (D) $75$ (E) $80$

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