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Number theory Difficulty 2.0 Junior Find the answer United Kingdom

Pedro is asked to find three kangaroos whose weights are all whole numbers of kilograms and whose total weight is 97 kg. What is the largest possible weight of the lightest of the kangaroos Pedro could find?

(A) $1$ kg (B) $30$ kg (C) $31$ kg (D) $32$ kg (E) $33$ kg

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