Maths Olympiad Prep

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Algebra Difficulty 2.0 Junior Find the answer United Kingdom

Tom had ten sparklers of the same size. Each sparkler took 2 minutes to burn down completely. He lit them one at a time, starting each one when the previous one had one tenth of the time left to burn. How long did it take for all ten sparklers to burn down?

(A) 1818 minutes and 2020 seconds (B) 1818 minutes and 1212 seconds (C) 1818 minutes (D) 1717 minutes (E) 1616 minutes and 4040 seconds

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