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Algebra Difficulty 3.0 AMC 10/12 Find the answer United Kingdom

The integers aa, bb, cc and dd satisfy a<2ba < 2b, b<3cb < 3c, c<4dc < 4d, and d<100d < 100. What is the largest possible value of aa?

(A) 12001200 (B) 20002000 (C) 23672367 (D) 23992399 (E) 24002400

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