Maths Olympiad Prep

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

A rabbit and a hedgehog participated in a running race on a 550550 m long circular track, both starting and finishing at the same point. The rabbit ran clockwise at a speed of 1010 m/s and the hedgehog ran anticlockwise at a speed of 11 m/s. When they met, the rabbit continued as before, but the hedgehog turned round and ran clockwise. How many seconds after the rabbit did the hedgehog reach the finish?

(A) 2525 (B) 4545 (C) 5050 (D) 5555 (E) 100100

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