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Mathematics, 19.03.2021 20:40 jc2025
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?
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Tom had ten sparklers of the same size. Each sparkler took 2 minutes to burn down completely. He lit...
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